It doesn’t mean all are potentially habitable, but the sheer number of Earth-size planets is a welcome starting point in the search for worlds like our own.
“Earths and super-Earths aren’t picky. We’re finding them in all kinds of neighbourhoods,” co-author Guillermo Torres of the Harvard-Smithsonian Center for Astrophysics said in a statement. The CfA was one of two teams working on the project. (C. Pulliam & D. Aguilar (CfA))