The Best Science Images – March 2015
NASA’s Dawn Spacecraft Begins Approach to Dwarf Planet Ceres
NASA’s Dawn spacecraft is getting set for the final segment of its planned ten-year mission after entering the approach phase of its visit to the dwarf planet Ceres. This dwarf planet, with an average diameter of 950 kilometers, is the largest object in the asteroid belt, a region of space located between the orbits of […]
Evidence of Water Vapor Found on Dwarf Planet Ceres
Scientists have found signs of water vapor on the dwarf planet known as Ceres. “This is the first time water vapor has been unequivocally detected on Ceres or any other object in the asteroid belt and provides proof that Ceres has an icy surface and an atmosphere,” said Michael Küppers of the European Space Agency. […]