This is a shooting star.. It is only a couple of hundred light years distant. Mira is moving very fast relative to everything near it, likely because it was ejected from a star | http://exploringuniversecollections.blogspot.com
NASA's GRAIL mission started its lunar probe late in 2011 to uncover some of the mysteries buried beneath the surface of the Moon --even, perhaps, a long-lost companion. According to recent scientific speculation, the Earth once had two moons gracing.
Milky Way's Huge Black Hole to Gobble Gas Cloud Soon-A giant gas cloud is set to spiral into the supermassive black hole at the Milky Way's core in the next few months, and scientists should get a great view of the dramatic celestial action.