"In Greek Mythology, the Princess Andromeda was sacrificed to appease a sea monster's appetite. But astronomers are learning that the Andromeda Galaxy is less the spiral beauty and more the voracious beast..."
In this video, Robert Hurt, of the Spitzer Science Center, explains images from the Hubble Space telescope.
Because the school blocks youtube.com and googlevideo.com, you will have to watch these videos from the California Institute of Technology (CALTECH) outside of school. You can see the other videos in this series "The Hidden Universe Showcase" (www.spitzer.caltech.edu) at the links below, or subscribe to the video podcast versions through iTunes or on the Spitzer web site.
You can hear audio podcasts at the Astronomy Media Player from astronomy sites around the world.