A Chandra X-Ray Observatory image of the giant elliptical galaxy M87 in the constellation Virgo. (provided by W. Forman of CfA). There is a large X-ray halo as well as features created by episodic outbursts emanating from a giant black hole at the center [28]. The field is about 10 arc minutes. The distance to M87 is about 16.4 Mpc (53 million light years).
