Archives for May 13, 2009

How Massive is the Milky Way?

Those of you who are astronomy buffs (or Colbert Report fans) may have heard the news this past January that the Milky Way is just as massive as Andromeda. Colbert even did a special on his show about “America’s Galaxy.” Could this be wrong? Could we really be just about the same size? Well, an…

Welcome to part 3 of our goodbyes to the Hubble Space Telescope’s WFPC2 (the Wide Field and Planetary Camera 2, pronounced WHIFF-pic-too) instrument. For those of you who missed part one or part two, go ahead and check them out. And for those of you who don’t remember, this was the camera that — back…