ESA’s Gaia space observatory is an ambitious mission to construct a three-dimensional map of our galaxy by making high-precision measurements of over one billion stars. However, on its journey to map distant suns, Gaia is revolutionising a field much closer to home. By accurately mapping the stars, it is helping researchers track down lost asteroids.
![](https://scx1.b-cdn.net/csz/news/tmb/2020/gaiarevoluti.jpg)
Source:
https://phys.org/news/2020-07-gaia-revolutionises-asteroid-tracking.html