On the 8th Day of Christmas, Hubble gave to me...
Have you been keeping up with The Boston Globe's Hubble Advent Calendar? Today's picture is totally worth talking about, and gives me a chance to tell you about these little guys that just hang-on to our galaxy: globular clusters. When you look out at a galaxy -- pretty much any galaxy -- you'll find these tiny clumps of light surrounding it.
Source: scienceblogs.com