It gave us the best map of the Milky Way. Now the Gaia spacecraft is orbiting into retirement

Astronomers bid an emotional farewell to Gaia, expressing their gratitude for its more than decade-long mission that gave us groundbreaking insights into our home galaxy, the Milky Way.

Astronomers bid an emotional farewell to Gaia, expressing their gratitude for its more than decade-long mission that gave us groundbreaking insights into our home galaxy, the Milky Way.

Astronomers bid an emotional farewell to Gaia, expressing their gratitude for its more than decade-long mission that gave us groundbreaking insights into our home galaxy, the Milky Way.

Radio/As It Happens