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Astronomer Tom Bolton found compelling evidence of a black hole s existence

Astronomer Tom Bolton found compelling evidence of a black hole s existence
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How the first black hole ever discovered was discovered at the University of Toronto

How the first black hole ever discovered was discovered at the University of Toronto This is a photo of a star called HDE226868. It’s a blue supergiant, more than 20 times as big and hundreds of thousands of times as bright as the Sun. It’s relatively close by in the same part of the galaxy as we are: a thin line of stars between two of the great spiraling arms of the Milky Way but it still takes light 1,600 years to reach us from there. It’s about 16 quadrillion kilometers away. You can’t see it with your naked eye; you need at least a small telescope to glimpse it through the clouds of interstellar gas and dust that stand between it and us.

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