NASA Discovered Seven Earth-Sized Planets near Dwarf Star TRAPPIST-1 (Video)

As the atmosphere of Earth is getting worse day by day and that is undoubtedly all due to its inhabitants, NASA is trying hard to find another planet where humans can survive and live.

Even private company SpaceX is investing its best efforts to make it possible and economical to travel in space for the general public. In the attempt, recently, NASA has discovered seven Earth-sized planets through its Space Telescope. The good news is that three of these planets are in the habitable zone.