AdvertisementOut Of This World: How Artists Imagine Planets Yet UnseenOctober 24, 2016Nell GreenfieldboycefacebookEmailThis artist's impression shows a best guess of what the surface of the planet Proxima b might look like, as it orbits the red dwarf star Proxima Centauri, the closest star to our solar system. Maybe Mars was the model? (M. Kornmesser/ESO)
