8 Spectacular Space Sights
Celebrate International Astronomy Day by enjoying these rare views of outer space. Learn more fun factoids on a variety of topics in "Awesome 8": http://bit.ly/A8_514
Ancient Chinese and Japanese astronomers witnessed the supernova explosion that created the Crab Nebula in A.D. 1054. This detailed mosaic image of the six-light-year-wide dead star is the work of NASA's Hubble Space Telescope.