Cosmic Exploration · mission

Gaia

2013 · ESA · Earth–Sun L2 · Completed

Agency
ESA
Status
Completed
End Date
2025-03-27
Destination
Earth–Sun L2
Launch Date
2013-12-19

Objective

Measured positions, distances and motions for nearly two billion stars — about 1% of the galaxy, and more than every survey before it combined.

Open on the Cosmic Exploration shelf — the interactive card, the filters, and everything alongside it.

From the Missions database in Notion, last edited 2026-08-15. This page is the row, rendered by the build; nothing on it is written by hand.