Magma world: NASA'S Spitzer finds evidence for an exoplanet smaller than Earth
Wednesday, July 18, 2012 - 12:00
in Astronomy & Space
Astronomers using NASA's Spitzer Space Telescope have detected what they believe is a planet two-thirds the size of Earth. The exoplanet candidate, called UCF-1.01, is located a mere 33 light-years away, making it possibly the nearest world to our solar system that is smaller than our home planet.