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[[File:Mass Relay Loading Screen.png|right|290px|A mass relay]][[Mass Relay]]s are mass transit devices scattered throughout the [[Milky Way]], usually located within star [[systems]]. They form an enormous network allowing interstellar travel. Hailed as one of the greatest achievements of the extinct [[Prothean]]s, a mass relay can transport [[starships]] instantaneously to another relay within the network, allowing for journeys that would otherwise take years or even centuries with only [[FTL]] drives.
−
{{For|information on launching trans-relay fleet assaults|Codex/Ships and Vehicles#Space Combat: Trans-Relay Assaults{{!}}Codex/Ships and Vehicles}}
  
−
[[File:Mass Relay Loading Screen.png|right|290px|A mass relay]]
  
−
[[Mass Relay]]s are mass transit devices scattered throughout the [[Milky Way|galaxy]], usually located within star [[systems]]. They form an enormous network allowing interstellar travel. Hailed as one of the greatest achievements of the extinct [[Prothean]]s, a mass relay can transport [[starships]] instantaneously to another relay within the network, allowing for journeys that would otherwise take years or even decades with only [[FTL]] drives.
 
   
 
== Overview ==
  
== Overview ==
 
=== Specifications ===
  
=== Specifications ===
−
Mass relays consist of two fifteen-kilometer long curved metal arms surrounding a set of revolving, gyroscopic rings five-kilometers across. These rings contain a massive, blue-glowing core of [[element zero]]. The relays are made of an unknown but incredibly resilient material, the same material that the [[Citadel]] is built from, and are protected by a quantum shield that renders them nearly impervious to damage by locking their structure in place at the subatomic level. They are even capable of surviving a supernova's wake without being damaged. They are "cold" objects that don't emit heat or radiation, unlike starships, making them difficult to find if their position changes. Some relays, like the [[Charon Relay]], are "gravitationally anchored" to planets; others appear to be out in space and are carefully tracked.
 +
Mass relays consist of two fifteen-kilometer (or nine-mile) long curved metal arms surrounding a set of revolving, gyroscopic rings five-kilometers across. These rings contain a massive, blue-glowing core of [[element zero]]. The relays are made of an unknown but incredibly resilient material, the same material that the [[Citadel]] is built from, and are protected by a quantum shield that renders them nearly impervious to damage by locking their structure in place at the subatomic level. They are even capable of surviving a supernova's wake without being damaged. They are "cold" objects that don't emit heat or radiation, unlike starships, making them difficult to find if their position changes. Some relays, like the [[Charon Relay]], are "gravitationally anchored" to celestial bodies; others appear to be out in space and are carefully tracked.
   
  +
[[File:Codex ME - Mass Relays.png|right|256px|An active mass relay]]Mass relays function by creating a virtually mass-free "corridor" of space-time between each other. This can propel a starship across enormous distances that would take centuries to traverse, even at FTL speeds. Before a vessel can travel, the relay must be given the amount of mass to transit by the ship's pilot before it is moved into the approach corridor. When a relay is activated, it aligns itself with the corresponding relay before propelling the ship across space.
−
[[File:Mass Relays Codex Image.jpg|right|290px|An active mass relay]]
  
−
Mass relays function by creating a virtually mass-free "corridor" of space-time between each other. This can propel a starship across enormous distances that would take centuries to traverse, even at FTL speeds. Before a vessel can travel, the relay must be given the amount of mass to transit by the ship's pilot before it is moved into the approach corridor. When a relay is activated, it aligns itself with the corresponding relay before propelling the ship across space.
  
   
 
There are two kinds of mass relay, primary and secondary. Primary relays can propel a ship thousands of light years but only link to one other relay, its "partner". Secondary relays can link to any other relay over shorter distances, only a few hundred light years. After the [[Rachni Wars]], space faring species won't open a primary relay without knowing where it links to, in case they run into another powerful and hostile species like the [[rachni]]. This caused a rift when the [[turian]]s found human pioneers, ignorant of this [[Citadel Council]] prohibition, trying to open any mass relay they could find while exploring the relay network, eventually leading to the [[First Contact War]].
  
There are two kinds of mass relay, primary and secondary. Primary relays can propel a ship thousands of light years but only link to one other relay, its "partner". Secondary relays can link to any other relay over shorter distances, only a few hundred light years. After the [[Rachni Wars]], space faring species won't open a primary relay without knowing where it links to, in case they run into another powerful and hostile species like the [[rachni]]. This caused a rift when the [[turian]]s found human pioneers, ignorant of this [[Citadel Council]] prohibition, trying to open any mass relay they could find while exploring the relay network, eventually leading to the [[First Contact War]].
   
−
Many mass relays are currently dormant for unknown reasons, though they can be easily reactivated. A Prothean data cache found on [[Mars]] led [[human]]s to a mass relay encased in ice and orbiting [[Pluto]], previously thought to be a moon called [[Charon]], which the Charon Relay was eventually named after.
 +
Many mass relays are currently dormant for unknown reasons, though they can be easily reactivated. A Prothean data cache found on [[Mars]] led [[human]]s to a mass relay encased in ice and orbiting [[Pluto]], previously thought to be a [[moon]] called Charon, which the Charon Relay was eventually named after.
   
 
A piece of Prothean artwork depicting a mass relay, the [[Relay Monument]], can be found on the Citadel [[Presidium]]. It has been interpreted as either a symbol of Prothean vanity, expressing the relays as their means to build a galaxy-wide empire, or possibly as a symbol of galactic unity, which the relay network also embodies. [[Tali'Zorah nar Rayya]] claims that after their long voyage through the galaxy, the [[quarian]]s have also come to appreciate the aesthetic value of the mass relays.
  
A piece of Prothean artwork depicting a mass relay, the [[Relay Monument]], can be found on the Citadel [[Presidium]]. It has been interpreted as either a symbol of Prothean vanity, expressing the relays as their means to build a galaxy-wide empire, or possibly as a symbol of galactic unity, which the relay network also embodies. [[Tali'Zorah nar Rayya]] claims that after their long voyage through the galaxy, the [[quarian]]s have also come to appreciate the aesthetic value of the mass relays.
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=== Origins ===
  
=== Origins ===
  +
[[File:NormandyExitsRelay.png|290px|right|Exiting a mass relay's transit corridor]]The mass relays, despite common belief, were created not by the Protheans but by the [[Reapers]]. As stated by [[Sovereign]], the Protheans were merely one of many alien races to find the relays and the Citadel and take advantage of them. When the Reapers wiped out the Protheans, the asari were the next race to find the relays thousands of years later. According to Sovereign, by using the relays, galactic civilizations evolve along the paths the Reapers desire. In addition, the relays serve to accelerate the rate at which those civilizations advance, shortening the time between Reaper harvests.
−
[[File:NormandyExitsRelay.png|290px|right|Exiting a mass relay's transit corridor]]
  
−
The mass relays, despite common belief, were created not by the Protheans but by the [[Reapers]]. As stated by [[Sovereign]], the Protheans were merely one of many alien races to find the relays and the Citadel and take advantage of them. When the Reapers wiped out the Protheans, the [[asari]] were the next race to find the relays thousands of years later. According to Sovereign, by using the relays, galactic civilizations evolve along the paths the Reapers desire. In addition, the relays serve to accelerate the rate at which those civilizations advance, shortening the time between Reaper harvests.
  
   
 
However, the Protheans did have a keen interest in the relays, and managed to crack the secret behind their operation. This enabled them to build the [[Conduit]] before they were destroyed by the Reapers.
  
However, the Protheans did have a keen interest in the relays, and managed to crack the secret behind their operation. This enabled them to build the [[Conduit]] before they were destroyed by the Reapers.
Line 36: Line 32:
   
 
=== The Crucible ===
  
=== The Crucible ===
−
During the battle to retake [[Earth]] from the [[Reaper]]s, the superweapon known as the [[Crucible]] is activated. When Commander Shepard interacts with the [[Catalyst]], the AI that controls the Reapers, the Commander is given the option to destroy the Reapers, control the Reapers, or merge organic and synthetic life together. In all cases, the energy reaction required to achieve those options is transmitted through the mass relay network from the Citadel. If the control option is chosen, the Citadel survives intact, but the relays are severely damaged and the Reapers rebuild them. If the destroy or synthesis options are chosen, the Citadel and the relays are severely damaged, but eventually are rebuilt.
 +
[[File:Mass relay montage.png|right|340px|Three galaxy-spanning choices, one method of propagation]]During the [[Priority: Earth|battle]] to retake [[Earth]] from the [[Reaper]]s, the superweapon known as the [[Crucible]] may be activated. When Commander Shepard interacts with the [[Catalyst]], the AI that controls the Reapers, the Commander is given the option to destroy the Reapers, control the Reapers, merge organic and synthetic life together, or refuse altogether.
   
  +
In all cases save the last, the energy reaction required to achieve those options is transmitted through the mass relay network from the Citadel. The relays' element zero cores overload from the massive amounts of energy involved. Every point in space for hundreds of lightyears from the relays is affected by the Crucible energy, effectively changing the entire galaxy.
−
== Identified Mass Relays ==
  
  +
  +
The relays are rebuilt by the survivors whichever non-refusal decision is taken. If the control option is chosen, the Reapers assume the responsibility.
  +
  +
If Shepard didn't rally enough of the [[War Assets|galaxy's forces]] for the final fight, the relays suffer more extensive damage. They explode upon transmitting the Crucible's energy, and subsequent rebuilding afterward proves more difficult for the survivors.
  +
  +
== Known Mass Relays ==
 
{{SortableTable}}
  
{{SortableTable}}
 
{| class="wikitable sortable" style="background-color: #1E293D;" border="1px" cellpadding="5px" cellspacing="0px"
  
{| class="wikitable sortable" style="background-color: #1E293D;" border="1px" cellpadding="5px" cellspacing="0px"
−
! style="text-align:center;" | Cluster
 +
! style="text-align:center;" | Relay Name
−
! style="text-align:center;" | System
 +
! style="text-align:center;" | Location (Cluster, System)
−
! style="text-align:center;" | Common Name(s)
 +
! style="text-align:center;" | Local Points of Interest
 
! style="text-align:center;" | Notes
  
! style="text-align:center;" | Notes
 
|-
  
|-
−
|[[Aethon Cluster]]
 +
|[[Alpha Relay]]
  +
|[[Viper Nebula]], [[Bahak]]
−
|[[Aru]]
  
  +
|[[Aratoht]]
−
|Unknown
  
  +
|The oldest known mass relay in the galaxy. Features unique properties that enable it to expand its range and connect with numerous other relays over long distances. Destroyed, along with the Bahak system, by the [[Systems Alliance]] in 2185 in an effort to delay the Reapers' invasion.
−
|Links the rest of the galaxy to the [[volus]] homeworld [[Irune]] and the [[turian]] colony [[Oma Ker]]
  
 
|-
  
|-
  +
|Arcturus Prime Relay
−
|[[Annos Basin]]
  
  +
|Unknown<!-- There is disagreement as to whether it's in the Local Cluster or the Arcturus Stream. Please do not enter either without developer confirmation. -->, Unknown<!-- There is disagreement as to whether it's in the Sol System or the Arcturus System. Please do not enter either without developer confirmation. -->
−
|[[Pranas]]
  
  +
|
−
|Unknown
  
  +
|May refer to either the [[Charon Relay]] in the [[Local Cluster]] or the relay in the [[Arcturus Stream]] that connects with the [[Exodus Cluster]].
−
|Links the rest of the galaxy to the [[salarian]] homeworld [[Sur'Kesh]]
  
 
|-
  
|-
  +
|[[Charon Relay]]<!-- It is unclear whether the Charon, Arcturus Prime, and Sol Relays are the same. Please do not enter "Arcturus Prime Relay" or "Sol Relay" here without developer confirmation. -->
−
|[[Apien Crest]]
  
  +
|[[Local Cluster]], [[Sol]]
−
|[[Trebia]]
  
  +
|[[Earth]]
−
|Unknown
  
  +
|Encased in ice until it was discovered and reactivated by humanity in 2149 CE.
−
|Links the rest of the galaxy to the [[turian]] homeworld [[Palaven]] and the turian colony [[Digeris]]
  
 
|-
  
|-
−
|[[Arcturus Stream]]
 +
|[[Citadel]]
  +
|[[Serpent Nebula]], [[Widow]]
−
|[[Arcturus]]
  
  +
|
−
|Unknown <!-- There is some disagreement about whether or not the Acturus Prime Relay is in this system or is the same as the Charon Relay. Please do not enter "Acturus Prime Relay" without developer confirmation. -->
  
  +
|A large [[space station]] that serves as the seat of the [[Citadel Council]]. Unbeknownst to its occupants, it is also an enormous mass relay that the connects directly to the [[Reaper]] lair in [[dark space]].
−
|Links the rest of the galaxy to [[Arcturus Station]], the capital of the [[human]] [[Systems Alliance]] and the human colony [[Benning]]
  
 
|-
  
|-
  +
|[[Conduit (Mass Effect 3)|Conduit]]
−
|[[Argos Rho]]
  
  +
|[[Local Cluster]], [[Sol]]
−
|[[Hydra]]
  
  +
|
−
|Unknown
  
  +
|A local mass relay constructed in the city of London during the Reaper occupation of Earth in 2186 to facilitate the transport of victims to the Citadel, which at that time had been moved to the planet's orbit.
−
|Connects the rest of the galaxy to [[Intai'sei]] and [[Pinnacle Station]]
  
 
|-
  
|-
−
|[[Armstrong Nebula]]
 +
|[[Conduit]]
  +
|[[Pangaea Expanse]], [[Refuge]]
−
|Unknown
  
  +
|
−
|Unknown
  
  +
|A Prothean-built prototype relay on [[Ilos]]. Connects to the [[Relay Monument]] on the [[Citadel]], but the trip is only one way.
−
|Unknown
  
 
|-
  
|-
  +
|Harsa Relay
−
|[[Artemis Tau]]
  
  +
|[[Kite's Nest]], [[Harsa]]
−
|Unknown
  
  +
|[[Adek]], [[Camala]], [[Erszbat]], [[Khar'shan]]
−
|Unknown
  
  +
|
−
|Connects the rest of the galaxy to [[Therum]]
  
 
|-
  
|-
  +
|Kappa Iota Relay
−
|[[Athena Nebula]]
  
  +
|Unknown, Unknown
−
|[[Parnitha]]
  
  +
|
−
|Unknown
  
  +
|A charted but rarely-used relay predating the [[Rachni Wars]]. Previously abandoned due to the highly lethal radiation of Turix, the neutron star on the other side. The controversial [[Cerberus Daily News - March 2010#03/18/2010|TR-15 Letus]] probe was deployed through this relay.
−
|Links the rest of the galaxy to the [[asari]] homeworld [[Thessia]] and the asari colonies [[Lusia]] and [[Niacal]]
  
 
|-
  
|-
  +
|Lowas Relay
−
|[[Attican Beta]]
  
  +
|Unknown, Unknown
−
|[[Hercules]]
  
  +
|
−
|Unknown
  
  +
|Two researchers were [[Cerberus Daily News - March 2011#03/25/2011 - Researchers Arrested for Attempting to Tamper with Lowas Relay|arrested]] for landing on and attempting to tamper with the Lowas Relay without authorization in March of 2186.
−
|Connects the rest of the galaxy to the [[human]] colony [[Feros]]
  
 
|-
  
|-
  +
|Mactare Relay
−
|[[Caleston Rift]]
  
  +
|Unknown, Mactare
−
|[[Balor]]
  
  +
|[[Taetrus]]
−
|Unknown
  
  +
|Connects with the Trebia system.
−
|Connects the rest of the galaxy to the [[human]] colonies of [[Arvuna]] and [[Caleston]]
  
  +
|-
  +
|[[Mu Relay]]
  +
|[[Hawking Eta]], Unknown
  +
|
  +
|Displaced by a supernova 4,000 years ago and enveloped in a cloud of hot gas and dust, making it impossible to detect and seemingly lost forever. The Mu Relay links to several other relays and is the only relay that links to the remote [[Pangaea Expanse]] cluster.
  +
|-
  +
|Omega 2 Relay
  +
|[[Omega Nebula]], [[Sahrabarik]]
  +
|[[Lorek]], [[Omega]], [[Thunawanuro]]
  +
|One of several mass relays in the Sahrabarik system.
  +
|-
  +
|[[Omega 4 Relay]]
  +
|[[Omega Nebula]], [[Sahrabarik]]
  +
|
  +
|One of several mass relays in the Sahrabarik system. A mysterious relay seemingly navigable only by the [[Collectors]]; no non-Collector vessel has ever returned after using it. Leads to the [[Tartarus Debris Field]] and [[Collector Base]].
  +
|-
  +
|Pelion Relay
  +
|[[Nimbus Cluster]], [[Pelion]]
  +
|[[Lesuss]]
  +
|
  +
|-
  +
|Rachni Relay
  +
|[[Ninmah Cluster]], [[Maskim Xul]]
  +
|[[Suen]]
  +
|
  +
|-
  +
|Relay 202
  +
|[[Arcturus Stream]], [[Arcturus]]
  +
|[[Arcturus Station]], [[Benning]]
  +
|One of multiple mass relays in proximity of [[Arcturus]]. Leads into contested space and has an unsavory reputation. [[Scott Ryder]] was assigned to an outpost monitoring the relay.
  +
|-
  +
|[[Relay 314]]
  +
|Unknown, Unknown
  +
|
  +
|Unauthorized activation by humanity in 2157 CE led to [[turian]] retaliation, triggering the [[First Contact War]].
  +
|-
  +
|[[Relay Monument]]
  +
|[[Serpent Nebula]], [[Widow]]
  +
|
  +
|Located on the [[Citadel]]. Mistakenly believed to be a work of art, it is actually a miniature, prototype relay built by the [[Prothean]]s. Serves as the destination terminus for the [[Conduit]] on [[Ilos]], but a return trip is not possible.
  +
|-
  +
|Seinhand Relay
  +
|Unknown, Unknown
  +
|
  +
|Said to have seen a 43% decrease in traffic per a relay traffic report [[Broker Terminal#Mass Relay Traffic Reports|intercepted]] by the [[Liara T'Soni|Shadow Broker]].
  +
|-
  +
|Shanxi-Theta Relay
  +
|Unknown, Unknown
  +
|[[Shanxi]]
  +
|A key relay in the [[First Contact War]].
  +
|-
  +
|Sol Relay
  +
|Unknown<!-- There is disagreement as to whether it's the same as the Charon Relay. Please do not enter "Local Cluster" without without developer confirmation. -->, Unknown<!-- There is disagreement as to whether it's the same as the Charon Relay. Please do not enter "Local Cluster" without developer confirmation. -->
  +
|
  +
|May refer to either the [[Charon Relay]] in the [[Local Cluster]] or the relay in the [[Arcturus Stream]] that connects with the Charon Relay.
 
|-
  
|-
−
|[[Crescent Nebula]]
  
−
|[[Tasale]]
  
 
|Tasale Relay
  
|Tasale Relay
  +
|[[Crescent Nebula]], [[Tasale]]
−
|Connects the rest of the galaxy to the [[asari]] colony [[Illium]]
  
  +
|[[Illium]]
  +
|
  +
|-
  +
|Widow Relay
  +
|[[Serpent Nebula]], [[Widow]]
  +
|[[Bekenstein]], [[Citadel]]
  +
|One of multiple mass relays in proximity of the Citadel.
 
|-
  
|-
−
|[[Eagle Nebula]]
  
−
|[[Imir]]
  
 
|Unknown
  
|Unknown
  +
|[[Aethon Cluster]], [[Aru]]
−
|Links the rest of the galaxy to [[Korlus]], the [[vorcha]]/[[krogan]] colony [[Wrill]], the [[human]]-[[batarian]] world [[Anhur]], and [[Jarrahe Station]]
  
  +
|[[Irune]], [[Oma Ker]]
  +
|
 
|-
  
|-
−
|[[Exodus Cluster]]
  
−
|[[Utopia]]
  
 
|Unknown
  
|Unknown
  +
|[[Annos Basin]], [[Pranas]]
−
|Links the galaxy to several of humanity's colonies, including [[Eden Prime]] and [[Terra Nova]]
  
  +
|[[Sur'Kesh]]
  +
|
 
|-
  
|-
−
|[[Far Rim]]
  
−
|[[Dholen]]
  
 
|Unknown
  
|Unknown
  +
|[[Apien Crest]], [[Trebia]]
−
|Links the rest of the galaxy with the former [[quarian]] colony [[Haestrom]]
  
  +
|[[Digeris]], [[Palaven]]
  +
|
  +
|-
  +
|Unknown <!-- There is some disagreement about whether or not the Arcturus Prime Relay is in this system or is the same as the Charon Relay. Please do not enter "Arcturus Prime Relay" without developer confirmation. -->
  +
|[[Arcturus Stream]], [[Arcturus]]
  +
|[[Arcturus Station]], [[Benning]]
  +
|One of multiple mass relays in proximity of [[Arcturus]].
 
|-
  
|-
−
|[[Gemini Sigma]]
  
−
|[[Han]]
  
 
|Unknown
  
|Unknown
  +
|[[Argos Rho]], [[Hydra]]
  +
|[[Intai'sei]], [[Pinnacle Station]]
 
|
  
|
 
|-
  
|-
−
|[[Hades Gamma]]
  
−
|[[Antaeus]]
  
 
|Unknown
  
|Unknown
  +
|[[Armstrong Nebula]], Unknown
  +
|
 
|
  
|
 
|-
  
|-
−
|[[Hades Nexus]]
  
−
|[[Hekate]]
  
 
|Unknown
  
|Unknown
  +
|[[Artemis Tau]], Unknown
−
|Links the rest of the galaxy with the human colony [[Trident]]
  
  +
|[[Therum]]
  +
|
 
|-
  
|-
−
|[[Hawking Eta]]
  
−
|[[Chandrasekhar]]
  
 
|Unknown
  
|Unknown
  +
|[[Athena Nebula]], [[Parnitha]]
  +
|[[Lusia]], [[Niacal]], [[Thessia]]
 
|
  
|
 
|-
  
|-
−
|[[Hawking Eta]]
  
−
|[[Century]]
  
 
|Unknown
  
|Unknown
  +
|[[Attican Beta]], [[Hercules]]
−
|Mentioned in the codex entry for [[Corang]]. Evidently, not the relay often used for travel to and from the Hawking Eta cluster; instead the relay in the Chandrasekhar is more often used.
  
  +
|[[Feros]]
  +
|
 
|-
  
|-
−
|[[Hawking Eta]]
  
 
|Unknown
  
|Unknown
−
|[[Mu Relay]]
 +
|[[Caleston Rift]], [[Balor]]
  +
|[[Arvuna]], [[Caleston]]
−
|Displaced by a supernova 4,000 years ago and enveloped in a cloud of hot gas and dust, making it impossible to detect and seemingly lost forever. It links to several other relays and is the only relay that links to the remote [[Pangaea Expanse]] cluster and to the former [[Prothean]] colony [[Ilos]].
  
  +
|
 
|-
  
|-
−
|[[Horse Head Nebula]]
  
−
|[[Pax]]
  
 
|Unknown
  
|Unknown
  +
|[[Eagle Nebula]], [[Imir]]
−
|Connects the rest of the galaxy to the [[human]] colony [[Noveria]]
  
  +
|[[Anhur]], [[Korlus]], [[Jarrahe Station]], [[Wrill]]
  +
|
 
|-
  
|-
−
|[[Hourglass Nebula]]
  
−
|[[Osun]]
  
 
|Unknown
  
|Unknown
  +
|[[Exodus Cluster]], [[Utopia]]
  +
|[[Eden Prime]], [[Terra Nova]]
 
|
  
|
 
|-
  
|-
−
|[[Ismar Frontier]]
  
−
|[[Aquila]]
  
 
|Unknown
  
|Unknown
  +
|[[Far Rim]], [[Dholen]]
  +
|[[Haestrom]]
 
|
  
|
 
|-
  
|-
−
|[[Kepler Verge]]
  
−
|[[Newton]]
  
 
|Unknown
  
|Unknown
  +
|[[Gemini Sigma]], [[Han]]
−
|Connects the rest of the galaxy to the [[human]] colony [[Ontarom]]
  
  +
|
  +
|
 
|-
  
|-
  +
|Unknown
−
|[[Kite's Nest]]
  
  +
|[[Hades Gamma]], [[Antaeus]]
−
|[[Harsa]]
  
  +
|
−
|Harsa Relay
  
  +
|
−
|Links the galaxy to the [[batarian]] homeworld [[Khar'shan]] and the batarian colonies [[Adek]], [[Camala]], and [[Erszbat]]
  
 
|-
  
|-
−
|[[Krogan DMZ]]
  
−
|[[Aralakh]]
  
 
|Unknown
  
|Unknown
  +
|[[Hades Nexus]], [[Hekate]]
−
|Connects the rest of the galaxy with the [[krogan]] homeworld [[Tuchanka]]
  
  +
|[[Trident]]
  +
|
 
|-
  
|-
−
|[[Local Cluster]]
  
−
|[[Sol]]
  
−
|[[Charon Relay]]<!-- It is unclear whether the Charon, Arcturus Prime, and Sol Relays are the same. Please do not enter "Arcturus Prime Relay" or "Sol Relay" here without developer confirmation. -->
  
−
|Links the galaxy to the [[human]]s' home system. Encased in ice until it was discovered by humanity in 2149 CE.
  
−
|-
  
−
|[[Local Cluster]]
  
−
|[[Sol]]
  
−
|Conduit
  
−
|Located on [[Earth]] in London. Used by the [[Reapers]] to ferry humans to the [[Citadel]] for processing. Later used by [[Commander Shepard]] to get aboard the Citadel in order to activate the [[Crucible]].
  
−
|-
  
−
|[[Maroon Sea]]
  
−
|Unknown
  
 
|Unknown
  
|Unknown
  +
|[[Hawking Eta]], [[Chandrasekhar]]
 
|
  
|
  +
|The description for [[Corang]] mentions a relay in the [[Century]] system of Hawking Eta, but no such relay is shown on the [[Galaxy Map]].
 
|-
  
|-
−
|[[Minos Wasteland]]
  
−
|[[Fortis]]
  
 
|Unknown
  
|Unknown
  +
|[[Horse Head Nebula]], [[Pax]]
−
|Links the galaxy to the [[turian]] colonies [[Gellix]] and [[Invictus]]
  
  +
|[[Noveria]]
−
|-
  
  +
|
−
|[[Nimbus Cluster]]
  
−
|[[Pelion]]
  
−
|Pelion Relay
 
−
|Connects the rest of the galaxy to the [[asari]] colony [[Lesuss]]
  
 
|-
  
|-
−
|[[Ninmah Cluster]]
  
−
|[[Maskim Xul]]
  
−
|Rachni Relay
  
−
|Links the rest of the galaxy to the former [[rachni]] homeworld [[Suen]]
  
−
|-
  
−
|[[Nubian Expanse]]
  
−
|[[Dakka]]
  
 
|Unknown
  
|Unknown
  +
|[[Hourglass Nebula]], [[Osun]]
−
|Links the rest of the galaxy to the colony [[Yamm]]
  
  +
|
  +
|
 
|-
  
|-
−
|[[Omega Nebula]]
  
−
|[[Sahrabarik]]
  
−
|Omega 2 Relay
  
−
|The relay typically used for interstellar travel to and from the Omega Nebula. Links to the rest of the galaxy to [[Omega]], the [[batarian]] colony [[Lorek]], and the [[elcor]] colony [[Thunawanuro]].
  
−
|-
  
−
|[[Omega Nebula]]
  
−
|[[Sahrabarik]]
  
−
|[[Omega 4 Relay]]
  
−
|A mysterious seemingly navigable only by the [[Collectors]]; no non-Collector vessel has ever returned from doing so. Leads to the Galactic Core and the [[Tartarus Debris Field]] and the [[Collector Base]]. Unlike other relays, which are silver emit blue light, the Omega 4 Relay is brown and glows red.
  
−
|-
  
−
|[[Pangaea Expanse]]
  
−
|[[Refuge]]
 
−
|[[Conduit]]
  
−
|A Prothean-built prototype relay on [[Ilos]]. Connects to the [[Relay Monument]] on the [[Citadel]], but the trip is only one way.
  
−
|-
  
−
||[[Pangaea Expanse]]
  
−
|[[Refuge]]<!-- Presumably. This is the only system ever seen in this cluster. -->
  
 
|Unknown
  
|Unknown
  +
|[[Ismar Frontier]], [[Aquila]]
−
|Connects the rest of the galaxy to [[Ilos]]. Connects only with the [[Mu Relay]].
  
  +
|[[Zorya]]
  +
|
 
|-
  
|-
−
|[[Perseus Veil]]
  
−
|[[Tikkun]]
  
 
|Unknown
  
|Unknown
  +
|[[Kepler Verge]], [[Newton]]
−
|Links the rest of the galaxy to the [[quarian]]/[[geth]] homeworld [[Rannoch]]
  
  +
|[[Ontarom]]
  +
|
 
|-
  
|-
−
|[[Petra Nebula]]
  
−
|[[Vetus]]
  
 
|Unknown
  
|Unknown
  +
|[[Krogan DMZ]], [[Aralakh]]
−
|Connects the rest of the galaxy with the [[human]] colony [[Elysium]] and the space station [[Grissom Academy]]
  
  +
|[[Tuchanka]]
  +
|
 
|-
  
|-
−
|[[Pylos Nebula]]
  
−
|[[Nariph]]
  
 
|Unknown
  
|Unknown
  +
|[[Maroon Sea]], Unknown
  +
|
 
|
  
|
 
|-
  
|-
−
|[[Rosetta Nebula]]
  
−
|[[Enoch]]
  
 
|Unknown
  
|Unknown
  +
|[[Minos Wasteland]], [[Fortis]]
−
|At some point, it was on the [[2175 Aeia|list of forbidden relays]] due to its leading to uncharted space.
  
  +
|[[Gellix]], [[Invictus]]
  +
|
 
|-
  
|-
−
|[[Sentry Omega]]
  
−
|[[Hoc]] <!-- Presumably. This is the only system ever seen in this cluster. -->
  
 
|Unknown
  
|Unknown
  +
|[[Nubian Expanse]], [[Dakka]]
−
|Connects the rest of the galaxy to [[Virmire]]
  
  +
|[[Yamm]]
−
|-
  
  +
|
−
|[[Serpent Nebula]]
  
−
|[[Widow]]
  
−
|[[Citadel]]
  
−
|A large [[space station]] that serves as the seat of the galactic government. Unbeknownst to its occupants, it is also an enormous mass relay that the connects directly to [[dark space]], allowing the Reapers to decapitate each cycle's power base quickly.
  
 
|-
  
|-
−
||[[Serpent Nebula]]
  
−
|[[Widow]]
  
−
|[[Relay Monument]]
  
−
|Located on the the [[Citadel]]. Mistakenly believed to be a work of art, it as actually a miniature, prototype relay built by the [[Prothean]]s. Serves as the destination terminus for the [[Conduit]] on [[Ilos]], but a return trip is not possible.
  
−
|-
  
−
|[[Serpent Nebula]]
  
−
|[[Widow]]
  
−
|Widow Relay
  
−
|Connects the [[Citadel]] and the [[human]] colony [[Bekenstein]] to the rest of the galaxy.
  
−
|-
  
−
|[[Shadow Sea]]
  
−
|[[Iera]]
  
 
|Unknown
  
|Unknown
  +
|[[Pangaea Expanse]], [[Refuge]]<!-- Presumably. This is the only system ever seen in this cluster. -->
−
|Connects the rest of the galaxy with the [[human]] colony [[Horizon]]
  
  +
|[[Ilos]]
  +
|Connects with the [[Mu Relay]].
 
|-
  
|-
−
|[[Sigurd's Cradle]]
  
−
|[[Skepsis]]
  
 
|Unknown
  
|Unknown
  +
|[[Perseus Veil]], [[Tikkun]]
−
|Connects the rest of the galaxy with the [[human]] colonies [[Sanctum]] and [[Watson]] and the [[Leviathan]] colony [[2181 Despoina]].
  
  +
|[[Rannoch]]
  +
|
 
|-
  
|-
−
|[[Silean Nebula]]
  
−
|[[Kypladon]]
  
 
|Unknown
  
|Unknown
  +
|[[Petra Nebula]], [[Vetus]]
−
|Links the galaxy with the [[elcor]] homeworld [[Dekuuna]] and the [[asari]] colonies [[Cyone]] and [[Nevos]]
  
  +
|[[Elysium]], [[Grissom Academy]]
  +
|
 
|-
  
|-
−
|[[Styx Theta]]
  
−
|Unknown
  
 
|Unknown
  
|Unknown
  +
|[[Pylos Nebula]], [[Nariph]]
  +
|
 
|
  
|
 
|-
  
|-
−
|[[The Phoenix Massing]]
  
−
|[[Tassrah]]
  
 
|Unknown
  
|Unknown
  +
|[[Rosetta Nebula]], [[Enoch]]
−
|Links the rest of the galaxy with the [[elcor]] colony [[Ekuna]], the [[human]] colony [[Aite]], and the [[Heretic Station]]
  
  +
|[[2175 Aeia]]
  +
|Formerly on the [[2175 Aeia|list of forbidden relays]] that led to uncharted space.
 
|-
  
|-
−
|[[The Shrike Abyssal]]
  
−
|[[Xe Cha]]
  
 
|Unknown
  
|Unknown
  +
|[[Sentry Omega]], [[Hoc]] <!-- Presumably. This is the only system ever seen in this cluster. -->
−
|Connects the rest of the galaxy with the [[vorcha]] homeworld [[Heshtok]] and the [[volus]] colony [[Talis Fia]]
  
  +
|[[Virmire]]
  +
|
 
|-
  
|-
−
|[[Titan Nebula]]
  
−
|[[Haskins]]
  
 
|Unknown
  
|Unknown
  +
|[[Shadow Sea]], [[Iera]]
  +
|[[Horizon]]
 
|
  
|
 
|-
  
|-
−
|[[Valhallan Threshold]]
  
−
|[[Raheel-Leyya]]
  
 
|Unknown
  
|Unknown
  +
|[[Sigurd's Cradle]], [[Skepsis]]
−
|Connects the rest of the galaxy with the [[krogan]] colony [[Garvug]]
  
  +
|[[2181 Despoina]], [[Sanctum]], [[Watson]]
  +
|
 
|-
  
|-
−
|[[Voyager Cluster]]
  
 
|Unknown
  
|Unknown
  +
|[[Silean Nebula]], [[Kypladon]]
  +
|[[Cyone]], [[Dekuuna]], [[Nevos]]
  +
|
  +
|-
 
|Unknown
  
|Unknown
  +
|[[Styx Theta]], Unknown
  +
|
 
|
  
|
−
|-
  
−
|[[Viper Nebula]]
 
−
|[[Bahak]]
  
−
|[[Alpha Relay]]
  
−
|A mass relay with unique properties that enable it to connect to numerous relays over long distances. The Reapers attempt to use it as their "Plan B" when they are rendered unable to enter the galaxy through the Citadel. Destroyed, along with the Bahak System, by the [[Systems Alliance]] in 2185 in an effort to slow down the Reapers' invasion. Connected the rest of the galaxy to the [[batarian]] colony [[Aratoht]].
  
 
|-
  
|-
 
|Unknown
  
|Unknown
  +
|[[The Phoenix Massing]], [[Tassrah]]
−
|[[Cerberus Daily News - May 2010#05.2F26.2F2010 - TR-15 Letus Probe Team Blasted by Scientific Community|Turix]]
  
  +
|[[Aite]], [[Ekuna]], [[Heretic Station]]
−
|Unknown
  
  +
|
−
|A relay located about [[Cerberus Daily News - March 2010#03.2F18.2F2010|18,000 light years]] from [[Earth]]. Located in a system that orbits a neutron star. Connects to the Kappa Iota Relay. Destination of the TR-15 Letus probe.
  
−
|-
  
−
|Unknown<!-- There is disagreement as to whether it's in the Local Cluster or the Arcturus Stream. Please do not enter either without developer confirmation. -->
  
−
|Unknown<!-- There is disagreement as to whether it's in the Sol System or the Arcturus System. Please do not enter either without developer confirmation. -->
  
−
|Arcturus Prime Relay
  
−
|Connects to the relay in the [[Exodus Cluster]]
  
 
|-
  
|-
 
|Unknown
  
|Unknown
  +
|[[The Shrike Abyssal]], [[Xe Cha]]
−
|Unknown
  
  +
|[[Heshtok]], [[Talis Fia]]
−
|Kappa Iota Relay
  
  +
|
−
|A charted but rarely-used relay predating the [[Rachni Wars]]. Previously abandoned due to the highly lethal radiation of Turix, the neutron star on the other side. The controversial [[Cerberus Daily News - March 2010#03.2F18.2F2010|TR-15 Letus]] probe was deployed through this relay.
  
 
|-
  
|-
 
|Unknown
  
|Unknown
  +
|[[Titan Nebula]], [[Haskins]]
−
|Unknown
  
  +
|
−
|Lowas Relay
  
  +
|
−
|Two researchers were [[Cerberus Daily News - March 2011#03.2F25.2F2011 - Researchers Arrested for Attempting to Tamper with Lowas Relay|arrested]] for landing on and attempting to tamper with the Lowas Relay without authorization in March of 2186.
  
 
|-
  
|-
 
|Unknown
  
|Unknown
  +
|[[Valhallan Threshold]], [[Raheel-Leyya]]
−
|Mactare
  
  +
|[[Garvug]]
−
|Mactare Relay
  
  +
|
−
|Connects the rest of the galaxy to the turian colony of [[Taetrus]].
  
 
|-
  
|-
 
|Unknown
  
|Unknown
−
|Unknown
 +
|[[Voyager Cluster]], Unknown
  +
|
−
|[[Relay 314]]
  
  +
|
−
|Unauthorized activation by humanity led to [[turian]] retaliation, starting the [[First Contact War]].
  
 
|-
  
|-
 
|Unknown
  
|Unknown
  +
|Unknown, [[Cerberus Daily News - May 2010#05/26/2010 - TR-15 Letus Probe Team Blasted by Scientific Community|Turix]]
−
|Unknown
  
  +
|
−
|Seinhand Relay
  
  +
|A relay located about [[Cerberus Daily News - March 2010#03/18/2010|18,000 light years]] from [[Earth]], orbiting the neutron star Turix. Connects to the Kappa Iota Relay. Destination of the TR-15 Letus probe.
−
|Said to have seen a 43% decrease in a relay traffic report [[Broker Terminal#Mass Relay Traffic Reports|intercepted]] by the [[Liara T'Soni|Shadow Broker]].
  
 
|-
  
|-
 
|Unknown
  
|Unknown
−
|Unknown
 +
|Unknown, Unknown
  +
|[[Tartarus Debris Field]], [[Collector Base]]
−
|Shanxi-Theta Relay
  
  +
|Connects with the Omega 4 Relay.
−
|A key relay in the [[First Contact War]]. Near the human colony [[Shanxi]].
  
 
|-
  
|-
−
|Unknown<!-- There is disagreement as to whether it's the same as the Charon Relay. Please do not enter "Local Cluster" without without developer confirmation. -->
  
−
|Unknown<!-- There is disagreement as to whether it's the same as the Charon Relay. Please do not enter "Local Cluster" without developer confirmation. -->
  
−
|Sol Relay
  
−
|Close to the [[Sol]] System. One of the relays used by allied forces during for the [[Priority: Earth|Battle of Earth]].
  
 
|}
  
|}
   
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== Trivia ==
  
== Trivia ==
−
*The mass relays were originally known as "phase gates"; a relic of this can be seen in the [[Codex]] under [[Codex/Humanity_and_the_Systems_Alliance#Systems_Alliance:_Military_Doctrine|Systems Alliance: Military Doctrine]].
 +
*The mass relays were originally known as "phase gates"; a relic of this can be seen in the [[Codex]] under [[Codex/Humanity and the Systems Alliance#Systems Alliance: Military Doctrine|Systems Alliance: Military Doctrine]].
 
*The mass relays evolved from more monolithic designs to their final "tuning fork" shape (as described in [[The Art of Mass Effect]]).
  
*The mass relays evolved from more monolithic designs to their final "tuning fork" shape (as described in [[The Art of Mass Effect]]).
   
  +
<!--interwiki links-->
  +
[[de:Massenportal]]
  +
[[es:Relés de Masa]]
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[[fi:Massanvälittäjä]]
  +
[[fr:Relais cosmodésiques]]
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[[it:Portale Galattico]]
  +
[[pl:Przekaźniki masy]]
 
[[ru:Масс-ретранслятор]]
  
[[ru:Масс-ретранслятор]]
  +
[[uk:Мас-реле]]
 
[[Category:Background]]
  
[[Category:Background]]
 
[[Category:Protheans]]
  
[[Category:Protheans]]

Revision as of 16:18, 10 July 2018

A mass relay

Mass Relays are mass transit devices scattered throughout the Milky Way, usually located within star systems. They form an enormous network allowing interstellar travel. Hailed as one of the greatest achievements of the extinct Protheans, a mass relay can transport starships instantaneously to another relay within the network, allowing for journeys that would otherwise take years or even centuries with only FTL drives.

Overview

Specifications

Mass relays consist of two fifteen-kilometer (or nine-mile) long curved metal arms surrounding a set of revolving, gyroscopic rings five-kilometers across. These rings contain a massive, blue-glowing core of element zero. The relays are made of an unknown but incredibly resilient material, the same material that the Citadel is built from, and are protected by a quantum shield that renders them nearly impervious to damage by locking their structure in place at the subatomic level. They are even capable of surviving a supernova's wake without being damaged. They are "cold" objects that don't emit heat or radiation, unlike starships, making them difficult to find if their position changes. Some relays, like the Charon Relay, are "gravitationally anchored" to celestial bodies; others appear to be out in space and are carefully tracked.

An active mass relay

Mass relays function by creating a virtually mass-free "corridor" of space-time between each other. This can propel a starship across enormous distances that would take centuries to traverse, even at FTL speeds. Before a vessel can travel, the relay must be given the amount of mass to transit by the ship's pilot before it is moved into the approach corridor. When a relay is activated, it aligns itself with the corresponding relay before propelling the ship across space.

There are two kinds of mass relay, primary and secondary. Primary relays can propel a ship thousands of light years but only link to one other relay, its "partner". Secondary relays can link to any other relay over shorter distances, only a few hundred light years. After the Rachni Wars, space faring species won't open a primary relay without knowing where it links to, in case they run into another powerful and hostile species like the rachni. This caused a rift when the turians found human pioneers, ignorant of this Citadel Council prohibition, trying to open any mass relay they could find while exploring the relay network, eventually leading to the First Contact War.

Many mass relays are currently dormant for unknown reasons, though they can be easily reactivated. A Prothean data cache found on Mars led humans to a mass relay encased in ice and orbiting Pluto, previously thought to be a moon called Charon, which the Charon Relay was eventually named after.

A piece of Prothean artwork depicting a mass relay, the Relay Monument, can be found on the Citadel Presidium. It has been interpreted as either a symbol of Prothean vanity, expressing the relays as their means to build a galaxy-wide empire, or possibly as a symbol of galactic unity, which the relay network also embodies. Tali'Zorah nar Rayya claims that after their long voyage through the galaxy, the quarians have also come to appreciate the aesthetic value of the mass relays.

An asari matriarch once suggested that the asari should build new mass relays of their own, but it is unknown if modern galactic civilization actually has the capacity to do so.


SmallMLogo “This mission just got a lot more complicated.” — Spoilers for Mass Effect follow. SmallMLogo

Origins

Exiting a mass relay's transit corridor

The mass relays, despite common belief, were created not by the Protheans but by the Reapers. As stated by Sovereign, the Protheans were merely one of many alien races to find the relays and the Citadel and take advantage of them. When the Reapers wiped out the Protheans, the asari were the next race to find the relays thousands of years later. According to Sovereign, by using the relays, galactic civilizations evolve along the paths the Reapers desire. In addition, the relays serve to accelerate the rate at which those civilizations advance, shortening the time between Reaper harvests.

However, the Protheans did have a keen interest in the relays, and managed to crack the secret behind their operation. This enabled them to build the Conduit before they were destroyed by the Reapers.

Commander Shepard also discovers that the Citadel itself is an enormous, inactive mass relay leading to dark space, as well as the control center for all the relays, enabling the Reapers to sever travel between clusters. Its reactivation is, fittingly, more complex than that of an ordinary mass relay, requiring either a coordinated effort by the keepers or manual intervention by a Reaper.


ME2-2icon “The chances of surviving are… slim.” — Spoilers for Mass Effect 2 follow. ME2-2icon

Alpha Relay

Mass relays are believed to be indestructible by galactic society, but no known attempts have been made to actually damage or destroy a relay because they are the only means of long distance space travel and thus too vital to risk. Prior to the events of Arrival, however, Dr. Amanda Kenson and her research team calculated that if a large enough mass impacts a relay with enough force, the relay should not be able to withstand it. The consequences of destroying a mass relay are immense: as a huge mass effect engine manipulating massive quantities of energy, a relay could produce an explosion of supernova proportions. This proves true when during Arrival, a large asteroid is purposely steered into the Bahak system's Alpha Relay. The resulting impact tears apart the relay, causing an explosion which annihilates the Bahak system and kills its more than 300,000 inhabitants.


ME3 Icon “There won't be an Earth left to save...” — Spoilers for Mass Effect 3 follow. ME3 Icon

The Crucible

Three galaxy-spanning choices, one method of propagation

During the battle to retake Earth from the Reapers, the superweapon known as the Crucible may be activated. When Commander Shepard interacts with the Catalyst, the AI that controls the Reapers, the Commander is given the option to destroy the Reapers, control the Reapers, merge organic and synthetic life together, or refuse altogether.

In all cases save the last, the energy reaction required to achieve those options is transmitted through the mass relay network from the Citadel. The relays' element zero cores overload from the massive amounts of energy involved. Every point in space for hundreds of lightyears from the relays is affected by the Crucible energy, effectively changing the entire galaxy.

The relays are rebuilt by the survivors whichever non-refusal decision is taken. If the control option is chosen, the Reapers assume the responsibility.

If Shepard didn't rally enough of the galaxy's forces for the final fight, the relays suffer more extensive damage. They explode upon transmitting the Crucible's energy, and subsequent rebuilding afterward proves more difficult for the survivors.

Known Mass Relays

If JavaScript is enabled, the columns may be sorted by clicking on the up/down arrow icons in the column headers.

Relay Name Location (Cluster, System) Local Points of Interest Notes
Alpha Relay Viper Nebula, Bahak Aratoht The oldest known mass relay in the galaxy. Features unique properties that enable it to expand its range and connect with numerous other relays over long distances. Destroyed, along with the Bahak system, by the Systems Alliance in 2185 in an effort to delay the Reapers' invasion.
Arcturus Prime Relay Unknown, Unknown May refer to either the Charon Relay in the Local Cluster or the relay in the Arcturus Stream that connects with the Exodus Cluster.
Charon Relay Local Cluster, Sol Earth Encased in ice until it was discovered and reactivated by humanity in 2149 CE.
Citadel Serpent Nebula, Widow A large space station that serves as the seat of the Citadel Council. Unbeknownst to its occupants, it is also an enormous mass relay that the connects directly to the Reaper lair in dark space.
Conduit Local Cluster, Sol A local mass relay constructed in the city of London during the Reaper occupation of Earth in 2186 to facilitate the transport of victims to the Citadel, which at that time had been moved to the planet's orbit.
Conduit Pangaea Expanse, Refuge A Prothean-built prototype relay on Ilos. Connects to the Relay Monument on the Citadel, but the trip is only one way.
Harsa Relay Kite's Nest, Harsa Adek, Camala, Erszbat, Khar'shan
Kappa Iota Relay Unknown, Unknown A charted but rarely-used relay predating the Rachni Wars. Previously abandoned due to the highly lethal radiation of Turix, the neutron star on the other side. The controversial TR-15 Letus probe was deployed through this relay.
Lowas Relay Unknown, Unknown Two researchers were arrested for landing on and attempting to tamper with the Lowas Relay without authorization in March of 2186.
Mactare Relay Unknown, Mactare Taetrus Connects with the Trebia system.
Mu Relay Hawking Eta, Unknown Displaced by a supernova 4,000 years ago and enveloped in a cloud of hot gas and dust, making it impossible to detect and seemingly lost forever. The Mu Relay links to several other relays and is the only relay that links to the remote Pangaea Expanse cluster.
Omega 2 Relay Omega Nebula, Sahrabarik Lorek, Omega, Thunawanuro One of several mass relays in the Sahrabarik system.
Omega 4 Relay Omega Nebula, Sahrabarik One of several mass relays in the Sahrabarik system. A mysterious relay seemingly navigable only by the Collectors; no non-Collector vessel has ever returned after using it. Leads to the Tartarus Debris Field and Collector Base.
Pelion Relay Nimbus Cluster, Pelion Lesuss
Rachni Relay Ninmah Cluster, Maskim Xul Suen
Relay 202 Arcturus Stream, Arcturus Arcturus Station, Benning One of multiple mass relays in proximity of Arcturus. Leads into contested space and has an unsavory reputation. Scott Ryder was assigned to an outpost monitoring the relay.
Relay 314 Unknown, Unknown Unauthorized activation by humanity in 2157 CE led to turian retaliation, triggering the First Contact War.
Relay Monument Serpent Nebula, Widow Located on the Citadel. Mistakenly believed to be a work of art, it is actually a miniature, prototype relay built by the Protheans. Serves as the destination terminus for the Conduit on Ilos, but a return trip is not possible.
Seinhand Relay Unknown, Unknown Said to have seen a 43% decrease in traffic per a relay traffic report intercepted by the Shadow Broker.
Shanxi-Theta Relay Unknown, Unknown Shanxi A key relay in the First Contact War.
Sol Relay Unknown, Unknown May refer to either the Charon Relay in the Local Cluster or the relay in the Arcturus Stream that connects with the Charon Relay.
Tasale Relay Crescent Nebula, Tasale Illium
Widow Relay Serpent Nebula, Widow Bekenstein, Citadel One of multiple mass relays in proximity of the Citadel.
Unknown Aethon Cluster, Aru Irune, Oma Ker
Unknown Annos Basin, Pranas Sur'Kesh
Unknown Apien Crest, Trebia Digeris, Palaven
Unknown Arcturus Stream, Arcturus Arcturus Station, Benning One of multiple mass relays in proximity of Arcturus.
Unknown Argos Rho, Hydra Intai'sei, Pinnacle Station
Unknown Armstrong Nebula, Unknown
Unknown Artemis Tau, Unknown Therum
Unknown Athena Nebula, Parnitha Lusia, Niacal, Thessia
Unknown Attican Beta, Hercules Feros
Unknown Caleston Rift, Balor Arvuna, Caleston
Unknown Eagle Nebula, Imir Anhur, Korlus, Jarrahe Station, Wrill
Unknown Exodus Cluster, Utopia Eden Prime, Terra Nova
Unknown Far Rim, Dholen Haestrom
Unknown Gemini Sigma, Han
Unknown Hades Gamma, Antaeus
Unknown Hades Nexus, Hekate Trident
Unknown Hawking Eta, Chandrasekhar The description for Corang mentions a relay in the Century system of Hawking Eta, but no such relay is shown on the Galaxy Map.
Unknown Horse Head Nebula, Pax Noveria
Unknown Hourglass Nebula, Osun
Unknown Ismar Frontier, Aquila Zorya
Unknown Kepler Verge, Newton Ontarom
Unknown Krogan DMZ, Aralakh Tuchanka
Unknown Maroon Sea, Unknown
Unknown Minos Wasteland, Fortis Gellix, Invictus
Unknown Nubian Expanse, Dakka Yamm
Unknown Pangaea Expanse, Refuge Ilos Connects with the Mu Relay.
Unknown Perseus Veil, Tikkun Rannoch
Unknown Petra Nebula, Vetus Elysium, Grissom Academy
Unknown Pylos Nebula, Nariph
Unknown Rosetta Nebula, Enoch 2175 Aeia Formerly on the list of forbidden relays that led to uncharted space.
Unknown Sentry Omega, Hoc Virmire
Unknown Shadow Sea, Iera Horizon
Unknown Sigurd's Cradle, Skepsis 2181 Despoina, Sanctum, Watson
Unknown Silean Nebula, Kypladon Cyone, Dekuuna, Nevos
Unknown Styx Theta, Unknown
Unknown The Phoenix Massing, Tassrah Aite, Ekuna, Heretic Station
Unknown The Shrike Abyssal, Xe Cha Heshtok, Talis Fia
Unknown Titan Nebula, Haskins
Unknown Valhallan Threshold, Raheel-Leyya Garvug
Unknown Voyager Cluster, Unknown
Unknown Unknown, Turix A relay located about 18,000 light years from Earth, orbiting the neutron star Turix. Connects to the Kappa Iota Relay. Destination of the TR-15 Letus probe.
Unknown Unknown, Unknown Tartarus Debris Field, Collector Base Connects with the Omega 4 Relay.

See Also

Trivia

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