Mercury's surprising core and landscape curiosities
Wednesday, March 21, 2012 - 11:31
in Astronomy & Space
Scientists have found that Mercury's core, already suspected to occupy a greater fraction of the planet's interior than do the cores of Earth, Venus, or Mars, is even larger than anticipated. They also discovered that the elevation ranges on Mercury are much smaller than on Mars or the Moon and indicates that there have been large-scale changes to Mercury's topography since early in the planet's geological history.