Planetary Science

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Ceres map

COVERED WITH CROPS  This false-color map of Ceres obtained by the Dawn spacecraft highlights the dwarf planet’s newly named features and its changing mineral composition. Red marks places that strongly reflect infrared light whereas blue regions reflect shorter wavelengths.

Salt deposits on Mars

Salts deposited in dark streaks on Mars, such as these in the nearly 1000-kilometer-long canyon Coprates Chasma, are left behind by contemporary seasonal water flows, a new study suggests.

TWO FOR ONE  The two lobes of comet 67P, seen in this August 2014 image from the Rosetta spacecraft, probably came from two different comets, a new study suggests.

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