ursa major :
- n a constellation outside the zodiac that rotates around the North Star
News & Articles
- Pinwheel In The Sky
ESA The face-on Pinwheel spiral galaxy is seen at ultraviolet wavelengths in this image taken by ESA’s XMM-Newton space telescope. Also known as M101 , the galaxy lies 21 million light-years away in the constellation Ursa Major . It measures 170 000 light-years across – nearly twice the diameter of our own Milky Way Galaxy – and contains at least a trillion stars. About a billion of these stars ...
June 10, 2013 - redOrbit