There could be a supermassive black hole in the Large Magellanic Cloud hurling stars at the Milky Way
Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.
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Red 'star' rising with the moon on Sunday is really Mars — and you may be able to see it 'disappear'
Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how ...