Source: NASA Science News
NASA's ion-propelled Dawn spacecraft has begun its approach to Ceres, a Texas-sized dwarf planet never before visited by a spacecraft. The next couple of months promise continually improving views of Ceres, prior to Dawn's arrival. By the end of January, the spacecraft's images and other data will be the best ever taken of the dwarf planet. (learn more)
Learn about ion engines by playing the video above.






