Pluto dwarfed by Eris
It’s 14 years ago today that astronomers at Palomar Observatory in San Diego, California, discovered the dwarf planet Eris in the outreaches of the Kuiper Belt. The discovery by Mike Brown, Chad Trujillo and David Rabinowitz resulted from images taken on 21 October 2003 and was announced almost two years later on 29 July 2005.…