Artnet news28 天
Precession: Constellation near North Pole
13.62 x 10.12 in. (34.6 x 25.7 cm.) ...
Delta Optimist1 个月
Two stars may be orbiting each other near a supermassive black hole in our Milky Way galaxy
The Milky Way black hole is called Sagittarius A*, near the border of Sagittarius and Scorpius constellations. (Event Horizon Telescope Collaboration via AP) NEW YORK (AP) — Scientists have spotted ...