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Near-Earth dwarf planet's surface is 90% covered by water
Astronomers have been curious about the makeup of Ceres, the largest object in the asteroid belt, ever since its discovery by ...
A Distant Planet Seems To Have A Sulphur-Rich Atmosphere, Hinting At Alien Volcanoes
Today, we know of more than 5,000 exoplanets : planets outside our solar system that orbit other stars. While the effort to discover new worlds goe ...