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Can Black Holes Eat One Another?

-- | February 9, 2015

Question: Ok so say the universe gets to a point where every black hole consumes everything including each other until your left with a single black hole. Or would this not be possible due to the universe ever expanding and just the vastness of the universe ? Just a thought. — Danny

Answer: Space is actually a pretty empty place on average. The WMAP cosmic microwave background probe measurements indicated that there are on average about 6 protons per cubic meter in the Universe. I believe therefore that the possibility of black holes even interacting with each other is pretty small.

Jeff Mangum

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