December 17, 2012
Ethan Siegel Answers All Your Questions
Ethan Siegel, ScienceBlogs
Every once in a while, I throw the chance out there (on facebook, twitter, or google+) to ask me whatever questions you want. Yesterday, for some insane reason, I invited people across all three platforms to ask me whatever they liked, with a dual promise that I’d not only answer them, but that the best ones would receive a free “The Year In Space” calendar for 2013, courtesy of the Planetary...