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NASA’s Black Hole Orrery — Spectacular Visualization of 22 X-Ray Binary Systems That Host Black Holes

Posted in cosmology

This visualization shows 22 X-ray binaries in our Milky Way.

The Milky Way is the galaxy that contains the Earth, and is named for its appearance from Earth. It is a barred spiral galaxy that contains an estimated 100–400 billion stars and has a diameter between 150,000 and 200,000 light-years.