Pluto

Former Planet Earth Now Really an Asteroid

Public domain image (NASA) available at http://commons.wikimedia.org/wiki/File:Earth-Moon_System.jpg#mediaviewer/File:Earth-Moon_System.jpg.

When Pluto was demoted from a planet to a cartoon character, nobody really cared.1 But now that the same thing has happened to our own planet, we’re all very upset. Last week, the International Astronomical Congress decreed, by a 57-40 vote, that what was formerly known as the planet Earth will now be known as […]