When We Discovered Pluto, It Changed How We Saw The Solar System

On the 23rd and 24th of January, 1930, a young astronomer working in Flagstaff, Arizona, scanned a small patch of the night sky. He was taking pictures of star positions, looking for anomalies that would signal movement somewhere at the edge of the solar system. He took the pictures then set them aside, not realizing… »7/12/15 4:25pm7/12/15 4:25pm


If You Named A Planet Recently You Probably Didn't, You Know, Officially Name The Planet

The International Astronomical Union is sitting down with the Internet to have a little talk. Just because some kids on the playground say they'll let you name an exoplanet for $5 doesn't mean you should give them $5. First of all they're not the boss of you, and second of all they have nothing to do with planet-naming »4/14/13 1:15pm4/14/13 1:15pm