HackerTube / Video
Stars orbiting the black hole at the heart of the Milky Way
European Southern Observatory (ESO)
A time-lapse from ESO's Very Large Telescope showing stars orbiting the supermassive black hole at the Milky Way's center over nearly 20 years.
HN links it as direct observational evidence for a massive invisible object at the galactic center.
3 Hacker News mentions · 2018–2024