
StarTalk @StarTalkRadio
Indexing of Stars Gaia has catalogued new details on over 1.8 billion stars in the Milky Way galaxy. Details which tell us a star's age, mass, brightness, composition, distance & trajectory. Gaia has also tracked many Binary Star Systems, Asteroids, Moons and Galaxies. https://t.co/aQOSWSKMKB — PolitiTweet.org