Astronomy
The Habitability of Planets in the Trappist-1 System
Quick fact
Three of TRAPPIST-1's seven planets sit in the habitable zone, yet the star's frequent, powerful flares might strip away their atmospheres, making habitability far more complex than just distance from the star.
Why this is interesting
Imagine seven Earth-sized worlds huddled around a dim red sun. Could any of them be our next home?