NASA has discovered seven Earth-sized planets that could support life.
The planets are situated around a single star outside our solar system.
Around a nearby, cold, small star we found 7 rocky Earth-size planets, all of which could have liquid water - key to life as we know it. pic.twitter.com/C2JWjDfBdK— NASA (@NASA) February 22, 2017
Astronomer, William Hollenbach, says a form of life could have developed on these planets.
Just a possibility that there might be some form of life that we have not yet discovered. The possibility of it existing is extremely exciting.— William Hollenbach, astronomer
Listen to William Hollenbach below for more information on the discovered planets...