A group of astronomers have shown that the fastest-moving stars in our galaxy — which are traveling so fast that they can escape the Milky Way — are in fact runaways from a much smaller galaxy in orbit around our own.
A group of astronomers have shown that the fastest-moving stars in our galaxy — which are traveling so fast that they can escape the Milky Way — are in fact runaways from a much smaller galaxy in orbit around our own.