NASA Studies Reveal Hidden Secrets About Interiors of Moon, Vesta

Analyzing gravity data collected by spacecraft orbiting other worlds reveals groundbreaking insights about planetary structures without having to land on the surface. Although the Moon and the asteroid Vesta are very different, two NASA studies use the same technique to reveal new details about the interiors of both. In the lunar study, published May 14 […]

NASA’s Dawn Sees Crescent Ceres

NASA’s Dawn spacecraft took this image of Ceres’ south polar region on May 17, 2017. Launched on Sept. 27, 2007, Dawn was NASA’s first truly interplanetary spaceship. The mission featured extended stays at two extraterrestrial bodies:  giant asteroid Vesta and dwarf planet Ceres, both in the debris-strewn main asteroid belt between Mars and Jupiter. The spacecraft’s name […]