Scientists estimate there are tens of millions of black holes dotted around our galaxy, but so far we’ve only found a few dozen. Most of the best-observed are in orbit with a star, and this video shows 22 systems studied by our missions! go.nasa.gov/3s5X6Oc #BlackHoleFriday
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I like it thanks.
Though a Direct link would be better than via Twitter. 👍
@brian314159265 Agreed.