The Green Lantern Corps, The Guardians of the Universe
First Appearance
Green Lantern (Vol. 2) #1 (August, 1960)
Center of the Universe
Points of Interest
The Hall of Great Service, The Foundry, Memorial Hall, Sciencells, Guy's Place,

Oa is a planet in the DC Universe and the headquarters of the Green Lantern Corps.


Very little is known about planet Oa before the Guardians of the Universe began inhabiting it following leaving their homeworld of Maltus, though some have claimed that Oa was the Guardians true homeworld. It revolves around the sun known as Sto-Oa, which translates as "The Light of Oa.  On this world, the Oan/Guardian scientist Krona preformed an experiment that lead to the creation of the dark anti-matter universe, which the Guardians have long spent trying to defend our universe against. Oa is a lifeless world save for the city created by the Guardians for themselves and the Green Lantern Corps that they would go on to create there and would serve as the central base of operations for the Corps.

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