A few questions have been asked here and answered on Reddits AMA regarding the topic: We're NASA scientists & exoplanet experts. Ask us anything about today's

A few questions have been asked here and answered on Reddits AMA regarding the topic: We're NASA scientists & exoplanet experts. Ask us anything about today's announcement of seven Earth-size planets orbiting TRAPPIST-1! https://www.reddit.com/r/IAmA/comments/5vkoyd/were_nasa_scientists_exoplanet_experts_ask_us/ https://www.reddit.com/r/IAmA/comments/5vkoyd/were_nasa_scie...