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UCLA Researchers Find Evidence for Water Ice Deposits and Organic Material on Mercury

Planetary scientists have identified water ice and unusually dark deposits within permanently shadowed areas at Mercury’s north pole.

Using data collected by NASA’s MESSENGER spacecraft, a team from UCLA crafted the first accurate thermal model of the solar system’s innermost planet, successfully pinpointing the extremely cold regions where ice has been found on or below the surface.

The researchers say the newly discovered black deposits are a thin crust of residual organic material brought to the planet over the past several million years through impacts by water-rich asteroids and comets. (more…)

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