in the constellation Ophiuchus
870 million to 2 billion times the mass of the Sun
Diameter roughly equal to the diameter of Uranus' or Neptune's orbit around the Sun
NGC 6240 in a combination of visible light (blue and white) and X-rays (red, orange, and yellow) from two space telescopes. [NASA/CXC/MIT/C.Canizares, M.Nowak; NASA/STScI]
This document was last modified: March 6, 2013.