A massive star in the Andromeda Galaxy, one of the most luminous objects in its neighborhood, has quietly disappeared. Over the span of roughly eight years, the star dimmed by more than 10,000 times ...
Add Yahoo as a preferred source to see more of our stories on Google. One of the brightest stars in the Andromeda galaxy quietly collapsed into a black hole without any of the fanfare of a spectacular ...
Something enormous is on its way to our cosmic neighborhood. The Milky Way, along with our closest major neighbor the Andromeda galaxy, is moving toward a future collision. These are not small systems ...
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