First Earth-Size Planet Is Discovered in Another Star’s “Habitable Zone”

A team of astronomers that includes Penn State scientists has discovered the first Earth-size planet orbiting a star in the “habitable zone” — the distance from a star where liquid water might pool on the surface of an orbiting planet. The discovery was made with NASA’s Kepler Space Telescope. 

Read more in the PSU press release or Dr. Ravi Kopparapu’s blog.