NASA’s Trappist-1 announcement was overwhelming and people all over the world got excited about the news for some reason. Just how exciting is the discovery that there are seven similar Earth-sized planets millions of years of travel away, Why get so excited about this news! Well, Physics Girl has that answer and has interviews with the people who made the discovery! If you’re interested in learning more, this video is a brilliant and rare resource for learning in layman’s terms just how important this discovery is, and what it could mean for the future of humanity. Check out the exciting and informative video below.