yahoonews:

For the first time, researchers have found two new planets orbiting a distant sun-like star that are the size of Earth or smaller. The discovery is key because Earth-sized planets are considered critical in the search for life elsewhere in the universe.
(Photo: AP/Harvard-Smithsonian Center for Astrophysics)

yahoonews:

For the first time, researchers have found two new planets orbiting a distant sun-like star that are the size of Earth or smaller. The discovery is key because Earth-sized planets are considered critical in the search for life elsewhere in the universe.

(Photo: AP/Harvard-Smithsonian Center for Astrophysics)

(via npr)