Helium-3

Helium-3 is an isotope of helium that is used in nuclear fusion reactors. It is a key resource in the galactic economy for that reason.

History
The ancient Protheans conducted helium-3 mining on their planets, such as Zafe and Agetoton.

Luna was an early source of helium-3 for humans, but mining operations eventually moved onto the gas giants of the solar system, especially Saturn and Uranus. Later, after the discovery of the mass relays, mining began on extrasolar planets in Alliance space. Uranus remains the key producer of helium-3 for the Systems Alliance, since out of all the solar system's gas giants, its smaller gravity well allows more economical extraction.

Locations

 * Uranus


 * Saturn


 * Luna


 * Zafe


 * Agetoton

Trivia

 * Many scientisits and science fiction authors have proposed that in future, humanity could mine helium-3 from the solar system, as an alternative to fossil fuels and nuclear fission.