
StarTalk @StarTalkRadio
Mapping the Milky Way Gaia is actively conducting astrometry—measurements of the movement of stars. Its level of precision is what sets it apart. Gaia is creating what the ESA calls "the most accurate and complete multi-dimensional map of the Milky Way (ever)." https://t.co/SdnGV5SM5b — PolitiTweet.org