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The Lead Investigator of the Daybreak spacecraft’s digital camera group, Andreas Nathues, acknowledged that the ammonium in Ceres’ crust was possible absorbed over billions of years. The supply of ammonium to the dwarf planet would have been made attainable by the quite a few asteroids which have collided with its floor over time. This additionally signifies that Ceres was born contained in the asteroid belt, and never a traveler to it from past Pluto.
One specific spot on the skin of the dwarf planet’s Consus Crater is dotted with ammonium-rich ice that’s believed to be the results of an asteroid putting it an estimated 280 million years in the past.
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