Alien Life Could Easily Planet Hop in This Tantalizing Solar System

If we detect alien life on a planet in the TRAPPIST solar system, there’s a chance they’ve already spread to one or more of the other six planets orbiting this ultra-cool, ultra-tiny star some 40 light-years away.

In May 2016, scientists made headlines when they discovered three, Earth-size, rocky planets (in February scientists announced they found four more) orbiting a red dwarf star that’s roughly the size of Jupiter. Planets in this system huddle around their home star in tightly pack

Leave a Reply