Exoplanet Tour: Meet the 7 Earth-Size Planets of TRAPPIST-1

Not only is Trappist home to 7 basically earth size planets. They are earth like with water oceans rocks soil similar environments and twice as old as the earth. Per NASA Trappist is not only the most likely to contain intelligent life that we've done so far it is the most likely to contain intercommunicating life as well.