NASA'S Spitzer Finds Evidence for an Exoplanet Smaller than Earth
07/18/2012 12:00 AM EDT
Astronomers using NASA's Spitzer Space Telescope have detected what they believe is a planet two-thirds the size of Earth.
http://links.govdelivery.com/track?type=click&enid=ZWFzPTEmbWFpbGluZ2lkPTIwMTIwNzE4LjkxMzY5MDEmbWVzc2FnZWlkPU1EQi1QUkQtQlVMLTIwMTIwNzE4LjkxMzY5MDEmZGF0YWJhc2VpZD0xMDAxJnNlcmlhbD0xNzA4MjIyNiZlbWFpbGlkPWppbXRha2VkYUBnbWFpbC5jb20mdXNlcmlkPWppbXRha2VkYUBnbWFpbC5jb20mZmw9JmV4dHJhPU11bHRpdmFyaWF0ZUlkPSYmJg==&&&100&&&http://www.nasa.gov/home/hqnews/2012/jul/HQ_12-238_Spitzer_Small_Exoplanet.html