Black hole
Astronomical feature information

Henry Cavendish, 1783


Several light hours


A region of space in which the gravity is so powerful that nothing can escape from it.


Mostly at the center of Galaxies, some wandering through Galaxies

Alien relevance

Can give off gases needed for life[1]

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A black hole is a region of space in which the gravitational field is so powerful that nothing can escape after having fallen past the event horizon. Lately, a team lead by Yair Kronghold found large amounts of oxygen and carbon escaping a Black hole with the European Space Agency's XMM-Newton, leading many to believe that Black holes may give life to many planets.[1]


  1. 1.0 1.1 Astronomy magazine, August 2007

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