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Ceres itself, the largest known body in the asteroid belt, has been found to be home to organic compounds, specifically from the methyl and methylene groups, clustered around the crater called Ernutet. Researchers believe the compounds weren't deposited there by another body -- the heat from a collision would have destroyed the molecules -- but rather, the still-unidentified substance developed there, native to its dwarf planet home.
Ceres shows signs of having an ocean of liquid water under its mantle of ice, and might very well have a source of heat from within keeping the water warm. Along with the comparatively low radiation exposure the bodies of the asteroid belt are under, organic compounds present there could very well have provided the foundation for life forms that formed there, even if it is just single-celled organisms.
Dwarf planet Ceres is the largest object in the asteroid belt between Mars and Jupiter and the only dwarf planet located in the inner solar system.
Called an asteroid for many years, Ceres is so much bigger and so different from its rocky neighbors that scientists classified it as a dwarf planet in 2006.
... Ceres comprises 25 percent of the asteroid belt's total mass...
Not true and not true. They haven't considered asteroids were leftovers "forever" and they did consider the asteroids to be remnants of a larger planet, in fact that was the idea suggested by the discoverer of the asteroids, German astronomer Heinrich Wilhelm Matthias Olbers.
originally posted by: Aliensun
a reply to: FamCore
I guess science is after a "rethink" about the asteroids. Forever they have contended that the asteroids were the residue left over from the forming of the planets. The refused to even consider that material once was a planet that was disrupted.
On March 28, 1802, Olbers discovered and named the asteroid Pallas. Five years later, on March 29, 1807, he discovered the asteroid Vesta, which he allowed Carl Friedrich Gauss to name. As the word "asteroid" was not yet coined, the literature of the time referred to these minor planets as planets in their own right. He proposed that the asteroid belt, where these objects lay, was the remnants of a planet that had been destroyed.