Chandra X-ray Observatory images of Sagittarius A

	Duration: 03:02 minutes Upload Time: 07-09-28 23:14:55 User: momo2007x :::: Favorites :::: Top Videos of Day
Description: A Mystery in the Galactic Center "Astronomers have learned that the center of our Milky Way galaxy harbors a long-sought black hole." http://science.nasa.gov/headlines/y2002/21feb_mwbh.htm