Next steps after NASA discovers 7 Earth-size planets NASA announced the discovery of seven Earth-sized planets around a star about 40 light years away from Earth. All seven could have water, which is key to life like ours, and three of them fall in the habitable zone.   

1. What did NASA discover recently?

2. Do you believe that we are not alone in this universe? 

3. Is it possible for us to leave Earth someday to find another habitable planet?