Dark Flow: A Mysterious Force From Outside of our Local Universe

When physicists were studying the signature of the cosmic microwave background radiation, which was thrust into existence when our universe was still in diapers, they noted something strange and very unexpected. Clusters of stars were seen traveling at exceptional speed into a narrow expanse of space (about 20 degrees). Indicating that something, but we are not sure of what, is tugging on the galaxies from beyond the scope of the observable universe. Leaving some VERY interesting questions, with equally interesting implications. Could this so-called "dark flow" be evidence of a sister universe, tugging at our own?

Read More: http://www.fromquarkstoquasars.com/dark-flow/

Image Source (Before Editing): http://en.wikipedia.org/wiki/File:Nasa-dark_flow-large.jpg