Astronomers May Have Just Discovered the First Exomoon

It may not look anything like Avatar's Pandora or Jedi's Endor, but if verified, it could be the first moon ever discovered outside our solar system. Located 1,800 light years away, it's a large moon orbiting a planet four times the size of Jupiter. But strangely, the duo isn't even remotely close to a star. » 12/19/13 1:20pm 12/19/13 1:20pm