galaxys

Two black holes locked in cosmic dance near galaxy’s center are doomed to crash

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Two huge black holes are locked together by gravity as they inevitably spiral towards a collision, researchers have found in a new study. Researchers in a new study have spotted two supermassive black holes that whip around each other every two Earth years, on average, with respective masses each of hundreds of millions of times … Read more

Streams of stars orbiting the Milky Way shed light on galaxy’s dark matter

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Stellar groupings orbiting in the outskirts of the Milky Way shed new light on the evolution of our galaxy as well as the elusive dark matter that surrounds it. Scientists from the Carnegie Institution for Science mapped a dozen associations of stars that orbit within the gaseous halo that envelopes our galaxy, the Milky Way. … Read more

We’ve seen our galaxy’s huge black hole more clearly than ever before

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Astronomers have observed Sagittarius A* – the supermassive black hole at the centre of our galaxy – closer than ever before, and Albert Einstein’s general theory of relativity still holds up Space 14 December 2021 By Leah Crane Stars orbiting very close to Sagittarius A* (centre), the supermassive black hole at the heart of the … Read more