Where are Ceres Large Craters?
After NASA’s Dawn spacecraft had passed by the asteroid Vesta, on its way to rendezvous with Ceres, mission scientists noticed that its surface was banged up with a lot of very large craters. Its biggest impact crater is Rheasilvia, which measures 505 km in diameter. They expected that Ceres would also be seriously pitted with giant impact basins too. […]
The Best Science Images – March 2015
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. […]