Ceres...

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Occator Crater and Ahuna Mons appear together in this view of the dwarf planet Ceres obtained by NASA's Dawn spacecraft on February 11, 2017. NASA/JPL-Caltech/UCLA/MPS/DLR/IDA/Handout via REUTERS.

Topics: Asteroids, Exoplanets, Space Exploration, Spaceflight

"Ceres was the Roman goddess of agriculture, grain, and the love a mother bears for her child. She was the daughter of Saturn and Ops, the sister of Jupiter, and the mother of Proserpine. Ceres was a kind and benevolent goddess to the Romans and they had a common expression, "fit for Ceres," which meant splendid." Source: Ceresva.org

WASHINGTON (Reuters) - Ceres, the largest object in the asteroid belt between Mars and Jupiter, is an “ocean world” with a big reservoir of salty water under its frigid surface, scientists said in findings that raise interest in this dwarf planet as a possible outpost for life.

Research published on Monday based on data obtained by NASA’s Dawn spacecraft, which flew as close as 22 miles (35 km) from the surface in 2018, provides a new understanding of Ceres, including evidence indicating it remains geologically active with cryovolcanism - volcanoes oozing icy material.

The findings confirm the presence of a subsurface reservoir of brine - salt-enriched water - remnants of a vast subsurface ocean that has been gradually freezing.

“This elevates Ceres to ‘ocean world’ status, noting that this category does not require the ocean to be global,” said planetary scientist and Dawn principal investigator Carol Raymond. “In the case of Ceres, we know the liquid reservoir is regional scale but we cannot tell for sure that it is global. However, what matters most is that there is liquid on a large scale.”

Dwarf planet Ceres is 'ocean world' with salty water deep underground, Will Dunham, Reuters Science

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  • All kinds of ideas coming from this!
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