Hubble has spotted an ancient galaxy that shouldn't exist

This galaxy is so large, so fully-formed, astronomers say it shouldn't exist at all. It's called a "grand-design" spiral galaxy, and unlike most galaxies of its kind, this one is old. Like, really, really old. According to a new study conducted by researchers using NASA's Hubble Telescope, it dates back roughly… »7/19/12 11:00am7/19/12 11:00am