ESA’s Million-Year Time Machine

Imagine that we could take control of #time and run it backwards and forwards to see #how the #MilkyWay evolved in the #past and how it will do so in the #future. Well, that’s what the ESA Gaia space observatory does by mapping almost every visible star in the Milky Way. This is how one small satellite is giving us an insight into the past and the future.

Published 15th March 2023 (11:37)

Source: https://youtube.com/watch?v=P2QfsqcyNqI