Astronomers have used NASA’s Chandra X-ray Observatory to discover a ring of black holes or neutron stars in the galaxy AM 0644-741 in the constellation Volans. This ring of black holes covers an area three times larger than the Milky Way, making it the real Lord of the Rings!
Colliding Stars Spill Radioactive Waste Into the Universe. @unawe #spacescoop at #365DaysOfAstro
Today, we understand gravity much better than we did in Galileo’s day, thanks to Albert Einstein. Over 100 years ago, Einstein came up with a theory of gravity that has so far passed all tests, in laboratories and out in space.
Selfie by InSight spacecraft. The best one from Mars.
