
StarTalk @StarTalkRadio
The European Space Agency (@esa) sent up their space observatory, Gaia, back in 2013. Parked at L-2, Gaia has been watching the stars, gathering data on their brightness, composition and positions. Gaia just released its third dataset—here are some things it's been up to #GaiaDR3 https://t.co/CiPOfuuliW — PolitiTweet.org