New Pluto-Sized Object Discovered in Solar System

Publication: National Geographic News   Date: July 29, 2005   View Article

Astronomers in Spain and the U.S. have discovered a large object skirting the fringes of the solar system. Research teams from both countries announced the discovery separately.

The object, designated 2003 EL61, is about 930 miles (1,500 kilometers) across, according to Mike Brown, an astronomer at the California Institute of Technology, who led the U.S-based team. The team announced its discovery today.

Related Posts

10 firsts from NASA’s first 50 years

8 great space telescopes

Ten ancient observatories spied from space

The year’s biggest (and littlest) meteor showers

Eight memorable solar eclipses

© 2008-2010 Collected Writings By John Roach