Saturday, August 06, 2011

What's Hot This Week

How to Spot Giant Asteroid Vesta in Night Sky This Week

by Geoff Gaherty, Starry Night Education

With all the publicity on NASA's final space shuttle flight a few weeks ago, some people may have missed another cosmic milestone: On July 16, NASA's Dawn spacecraft entered orbit around the asteroid Vesta to spend the next year orbiting the space rock before heading off to an encounter with the dwarf planet Ceres.

3 Small, Icy Worlds Discovered in Pluto's Territory

by Mike Wall, Senior Writer

Astronomers have discovered three small, icy worlds orbiting the sun near Pluto, on the outer reaches of the solar system.

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