Video Shows Distant Worlds Orbiting Star 133 Light-Years Away
article Artist’s impression of the HR 8799 planetary system at an early stage in its evolution, showing the planet HR879cc, a disc of gas and dust, and inner planets. (Dunlap Institute of Astronomy and Astrophysics/Mediafarm/Nasa) A new accelerated video from Northwestern University shows four exoplanets, or planets outside our solar system, orbiting their star for … Read more