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Ceres' Occator crater Credits:NASA/JPL-Caltech/UCLA/MPS/DLR/IDA

Exploration

Volcanoes on Dwarf Planet Ceres Are Spewing Briny Ice

New evidence for the dwarf planet's icy volcanism, called cryovolcanism, came from NASA's Dawn space probe, which orbits Ceres.

March 9, 2017
9:38 AM EST
A false-color mosaic shows the inside of the Occator crater, with the bright dome of salty material visible at left. The central dome is about 1.8 miles (2.9 km) across and rises 1,300 feet (400 m). Credits: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA