New Earth-like exoplanet discovered

Scientists have discovered a new exoplanet that is located 39 light-years from Earth, making it the closest Earth-sized exoplanet yet discovered. (Learn more: Video produced and edited by Melanie Gonick/MIT Additional imagery courtesy of Emily Heisted, Zach Berta-Thompson, Jonathan Irwin, Dana Berry and Chris Gunn/NASA Music sampled from, "Far Away" by Lost Radiance