Hubble telescope figures out the trick to weighing a lonely black hole - Inverse

The team said that the very intense gravity of the black hole will stretch out the duration of the lensing event for over 200 days.

Earlier this year , astronomers used microlensing and the Hubble Space Telescope to detect, for the first time, a rogue black hole that is about 5,000 light years away from Earth. Now, with more pre… [+5519 chars]

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