ESA Spacecraft Shuts Down After 12 Years Of Milky Way Mapping.
Night has fallen for the star-tracking European Space Agency (ESA) spacecraft, Gaia. The mission, which has been mapping the Milky Way for the last 12 years, shut down science operations on Wednesday (Jan. 15). The close of the mission’s data-collecting phase was necessitated by Gaia running low on cold gas propellant it uses to spin. …
ESA Spacecraft Shuts Down After 12 Years Of Milky Way Mapping. Read More »