on Protostellar Disks

My wife made me this new quilt for the door of my office: It’s a star called DG Tau B, and she made an incredible likeness. But what, exactly, are we looking at here? If you’d like to know more about how the quilt was made, take a look at my wife’s blog. Read on…

Seeing Invisible Light

Earlier this week it was in the news that the Herschel Space Telescope was shut down.  Herschel was being used to observe the sky in infrared light, which is light you can’t see that’s redder than red. It wasn’t until William Herschel in 1800 (namesake of the space telescope) that infrared light was discovered.  Nowadays,…