Watch Live: NASA announces discovery of seven Earth-sized planets outside of Solar System https://t.co/4pwkJ1Sr91 pic.twitter.com/XwB1pdbZ14 — Al Jazeera News (@AJENews) February 22, 2017
Watch Live: NASA announces discovery of seven Earth-sized planets outside of Solar System https://t.co/4pwkJ1Sr91 pic.twitter.com/XwB1pdbZ14
— Al Jazeera News (@AJENews) February 22, 2017