GALEX (Galaxy Evolution Explorer)

GALEX is illustrated in multiple shades of blue. The spacecraft body is made up of a hexagonal object topped by a cylindrical object. Solar panels extend to either side.
Historical DateDecember 20, 2022
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An illustration of NASA's GALEX spacecraft. The colors depicted in this illustration are for artistic purposes only.

GALEX was a space telescope that orbited Earth and observed the cosmos in ultraviolet light, performing the first all-sky UV survey and studying star formation throughout the history of the universe.

Launched: April 28, 2003
Decommissioned: June 28, 2013