Calculations Show Mercury Has a Thin but Dense Crust
Mercury is the closest planet to the Sun, and very little is really known about this hot rocky orb. So far, only two space probes have ever studied Mercury. NASA’s Mariner 10 flew past the planet three times between 1973 and 1974. The flybys allowed scientists to map about half the planet, discover its thin […]
Mercury’s Surface ‘Painted’ With Carbon from Comets
A first glance, the planet Mercury looks a lot like our Moon, both gray and pockmarked with craters after being bombarded with meteorites and blasted by the solar wind over the millennia. Some take the similarity further, referring to them as “twins.” The color of Mercury’s surface though is much darker than the moon, so […]