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Apr 15, 2019 (Apr 16, 2019) Before last week, there had never been an image of a black hole before. A years-long effort by radio astronomers around the world has now produced the first. It is the dark heart of the M87 galaxy, 55 million light years away in the constellation Virgo. First observed in 1918, it was noticed that a mysterious jet projected from M87, a visible artifact of what we now know is a super-massive black hole at its center. St. Lawrence University physicist and resident NCPR astronomer Aileen O'Donoghue talks with Martha Foley about the find, how the image was resolved, and how the physics of a black hole works to distort surrounding matter and energy. A sky chart below shows you where to look in tonight's sky to find the cluster of galaxies where M87 lies.

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