Gaia, Europe’s Galactic Cartographer, Is Gone But Not Forgotten
This observatory has probably been the most transformative astronomy project of the 21st century, but there’s a good chance you’ve never heard of it. Just last week, for instance, the Hayden Planetarium at the American Museum of Natural History (AMNH) in New York City debuted a new “space show” called Encounters in the Milky Way—and…
