I’m an astronomer, blogger, author, skeptic, and a few other things. I am dabbling here for fun. And practice.
Author: Phil Plait
Published July 13th, 2010
Average rating: 4 out of 5
Published June 12th, 2009
Average rating: 5 out of 5
Published June 10th, 2009
Phil Plait didn't create any challenges.