orbiting

Einstein was right: Star orbiting the Milky Way’s supermassive black hole behaves as he predicted

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A star orbiting the supermassive black hole at the heart of the Milky Way galaxy does so in a way that proves physicist Albert Einstein right – again. The star, called S2, orbits Sagittarius A* in a rosette shape, blipping out from the elliptical orbit at random points – an idea predicted by Einstein over … Read more

Tiny asteroid confirmed to be a mini-moon that has been orbiting Earth for the past three years 

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Earth has a new mini-moon: Asteroid the size of a washing machine has been orbiting Earth for the past three years Astronomers tracked an asteroid in the sky and found it is orbiting Earth The asteroid, seen on Feb. 15., has now been confirmed as a mini-moon  It is six to 12 feet in diameter and … Read more