Astronomers Measure Black Hole Radius For The First Time

<b>Astronomers</b> Measure Black Hole Radius For The First Time:

An international team of astronomers was able to measure the radius of a black hole for the first time. Researchers measured the radius of a black hole at the center of the galaxy M87, which lies about 50 million light-years away from the Milky Way ... See all stories on this topic »

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