Black holes are a mainstay in sci-fi movies. How do these massive black holes, spread throughout our universe, actually work in real life?
Articles on Sagittarius A*
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X-rays emitted around black holes can tell astrophysicists about how fast they’re growing.
Sagittarius A* lies in the southern sky, passing directly above South Africa.
Sagittarius A* is a massive black hole at the center of the Milky Way. Now that astronomers have imaged it, they can begin to learn more about black holes within other galaxies across the universe.
Top contributors
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Professor of Astronomy and Astrophysics, Penn State
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Astrophysicist (Post Doctoral Research Fellow), Harvard University
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Postdoctoral research fellow, Penn State
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University Distinguished Professor of Astronomy, University of Arizona
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Director: Wits Centre for Astrophysics; SKA Chair in Radio Astronomy, University of Cape Town; Inter-University Institute for Data Intensive Astronomy
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Astrophysics PhD Candidate, Penn State