Last week NASA made the historic announcement that seven Earth-sized planets in or near the habitable zone around a single star known as TRAPPIST-1. Amidst the flurry of press coverage this announcement has inspired, here are six important points summarizing both why the star TRAPPIST-1 and its seven planets are so important, as well as how this discovery raises even more questions about life on other planets. Read the full transcript here: http://bit.ly/2mtqPQx