Author: Reyansh Kumar

Among the four inner Solar System planets, Mercury is the smallest and very dense, its vast iron core dominating its internal structure.As the closest planet to the Sun it experiences extreme temperature variations at its surface, from about +430ºC, down to –180ºC. It has permanently shadowed regions at its poles that never see sunlight and thus enables ice to exist on its floor. Mercury’s ancient, cratered surface shows signs of past volcanic and tectonic activity, and is heavily weathered by the harsh space environment. Mercury Facts Diameter: 4879 km (0.38 Earths, or 1.40 Moons) Surface area: 74.8 million square km…