The physical Gaia spacecraft launched on 19 December 2013 and conducted ESA's all-sky astrometric survey from a Lissajous orbit around Sun-Earth L2 until its subsystems were switched off on 27 March 2025.
The physical Gaia spacecraft launched on 19 December 2013 and conducted ESA's all-sky astrometric survey from a Lissajous orbit around Sun-Earth L2 until its subsystems were switched off on 27 March 2025.