dawn mission

NASA also released stunning new flyover images of the dwarf planet.
Scientists say they’re getting closer to discovering what they could be.
Mystery continues to surround this odd celestial body.
Don't call them planets.This year two unmanned spacecrafts are taking us to worlds we have never seen up close. The Dawn mission has been in orbit around Ceres, the largest asteroid in the solar system since March, and the New Horizons spacecraft will make a close fly-by of Pluto on July 14.
"The chemistry, thermal activity, the heat source, and the prospect for convection within the ice shell are the key ones