Gaia Program

ESA's Gaia space astrometry mission created the largest and most precise three-dimensional map of the Milky Way by measuring the positions, distances, motions, brightness, temperatures, and compositions of nearly two billion stars and other objects. Launched on 19 December 2013, science observations ended on 15 January 2025 and spacecraft operations concluded on 27 March 2025, while final data releases remain in preparation.

Identity

Aliases: GaiaGaia missionGaia space astrometry mission
Domains: spaceflight
Name: Gaia Program
Status: completed
Types: scienceresearchoperations

Details

Description: ESA's Gaia space astrometry mission created the largest and most precise three-dimensional map of the Milky Way by measuring the positions, distances, motions, brightness, temperatures, and compositions of nearly two billion stars and other objects. Launched on 19 December 2013, science observations ended on 15 January 2025 and spacecraft operations concluded on 27 March 2025, while final data releases remain in preparation.
End Date: 2025-03-27
Leads
Participants: -
Start Date: 2013-12-19

Assets & Meta

Creation Time: August 13, 2026 at 15:36:09 UTC
Updated Time: August 13, 2026 at 15:36:09 UTC

Other

Official Urls: https://www.esa.int/Science_Exploration/Space_Science/Gaiahttps://www.esa.int/Enabling_Support/Operations/Farewell_Gaia%21_Spacecraft_operations_come_to_an_end