Reasons to Believe

Planet Smaller than Earth Discovered

You might have seen- NASA, NASA'S Spitzer Finds Evidence for an Exoplanet Smaller than Earth , July 18, 2012; http://www.nasa.gov/home/hqnews/2012/jul/HQ_12-238_Spitzer_Small_Exoplanet.html

Subjects: Extrasolar Planets