Do you think a dwarf planet is too small to host volcanoes? Think again. Atop a little world called Ceres is a mountain called Ahuna Mons that towers more than 13,000 feet (4,000 meters) high — that's almost half the altitude of Mount Everest here on Earth. Scientists were initially baffled by this huge structure, but a new study suggests a special bubble could have built Ahuna Mons.
Written by Elizabeth Howell June 28, 2019
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