2 Results for

protoplanet

Article

This dwarf planet may contain more freshwater than Earth

Using the Herschel Telescope, the European Space Agency has detected water vapor on Ceres, the largest and roundest object in the asteroid belt. And it just may have a whole lot of it.

By Jan. 22, 2014

Article

Up close with one of the solar system's biggest asteroids

NASA debuts stunning high-resolution pictures of the gargantuan 330-mile-diameter Vesta asteroid.

By Sep. 13, 2013