Black hole
A supermassive black hole at the heart of the Milky Way is probably crammed into
a tiny space no bigger than the distance from the Earth to the Sun, scientists
reported on September 5, 2001. This false-color image shows the central region
of our Milky Way Galaxy as seen by NASA's Chandra X-ray Observatory. The bright
point-like source at the center of the image was produced by a huge X-ray flare
that occurred in the vicinity of the supermassive black hole at the center of our
galaxy. This central black hole has about 2.6 million times the mass of our Sun
and is associated with the compact radio source Sagittarius A.