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Sand blown by wind into ripples within Victoria Crater at Meridiani Planum on Mars, as photographed by NASA’s Mars Reconnaissance Orbiter on October 3, 2006. NASA/JPL-Caltech/University of Arizona/Cornell/Ohio State University

What’s it like to be on Venus or Pluto? We studied their sand dunes and found some clues

There are many bodies in the solar system we can’t easily access. But observations of their winds and sediments reveal a surprising amount.
Scientists have been studying lunar samples brought back from Apollo missions to understand the geologic history of the Moon. NASA

Moon lacked a magnetic field for nearly all its history – new research resolves mystery sparked by rocks brought back on Apollo

Without a magnetic field, the Moon’s surface is exposed to solar wind. These could have been depositing resources like water and potential rocket fuel on the Moon’s surface for billions of years.

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