Has the Milky Way devoured other galaxies?

A new discovery could rewrite the history books on the Milky Way. According to a new study published in the Monthly Notices of the Royal Astronomical Society, our galaxy absorbed a smaller satellite galaxy several million years ago. But more than that, it was a celestial event that culminated in the meeting of each… » 3/06/13 1:00pm 3/06/13 1:00pm