The exoplanet next door

NOTE This video contains an error. At 0:54 an animation representing the radial velocity method for finding exoplanets is incorrect. Here is a link to a correct representation Astronomers have discovered evidence of a small, rocky planet orbiting our nearest star and it may even be a bit like Earth. Nobody knows whether the planet, called Proxima b, could ever sustain life. The little planet orbits our suns nearest neighbouring star, Proxima Ce