Seven things to know about the new planets discovered by NASA

In the year 2016, only two of the known planets were found which were supposedly not in the ‘habitable zone.’ But with the help of Spitzer, an infrared telescope more planets were discovered. This telescope is perfect for studying TRAPPIST-1, glows brightest in infrared light. For decades, the speculations of alien life forms in the universe have haunted humanity and from the looks of we are one more step closer to finding it.