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Photos: Ancient Mars Lake Could Have Supported Life

  • Curiosity Mastcam Mosaic of the Yellowknife Bay Formation on Mars

    Curiosity Mastcam Mosaic of the Yellowknife Bay Formation on Mars
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    CREDIT: Science/AAAS
  • Bedrock Outcrop of Sheepbed Mudstone on Mars

    Bedrock Outcrop of Sheepbed Mudstone on Mars
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    CREDIT: Science/AAAS
  • Texture of the 'Snake' on Mars

    Texture of the 'Snake' on Mars
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    CREDIT: Science/AAAS
  • Sedimentary Rocks of the Yellowknife Bay Formation

    Sedimentary rocks of the Yellowknife Bay formation.
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    CREDIT: Science/AAAS
  • Diagenetic Features of the Sheepbed Member

    Diagenetic Features of the Sheepbed Member
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    CREDIT: Science/AAAS
  • Map of Diagenetic Features of the Sheepbed Member

    Map of Diagenetic Features of the Sheepbed Member
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    CREDIT: Science/AAAS
  • Mudstone Drill Holes and Drill Powders Made by Curiosity

    Mudstone Drill Holes and Drill Powders Made by Curiosity
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    CREDIT: Science/AAAS
  • Erosion by Scarp Retreat in Gale Crater

    Erosion by Scarp Retreat in Gale Crater
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    CREDIT: NASA/JPL-Caltech/MSSS
  • View into 'John Klein' Drill Hole in Martian Mudstone

    View into 'John Klein' Drill Hole in Martian Mudstone
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    CREDIT: NASA/JPL-Caltech/MSSS
  • Possible Extent of Ancient Lake in Gale Crater

    Possible Extent of Ancient Lake in Gale Crater
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    CREDIT: NASA/JPL-Caltech/MSSS
  • Erosion Patterns May Guide Mars Rover to Rocks Recently Exposed

    Erosion Patterns May Guide Mars Rover to Rocks Recently Exposed
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    CREDIT: NASA/JPL-Caltech/MSSS
  • Clay Mineral Structure Similar to Clays Observed in Mudstone on Mars

    Clay Mineral Structure Similar to Clays Observed in Mudstone on Mars
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    CREDIT: NASA/JPL-Caltech/MSSS
  • Volatiles Released by Heating Sample Powder from Martian Rock

    Volatiles Released by Heating Sample Powder from Martian Rock
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    CREDIT: NASA/JPL-Caltech/MSSS
  • Radiation Measurements on Mars

    Radiation Measurements on Mars
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    CREDIT: NASA/JPL-Caltech/MSSS
  • Radiation Exposure Comparisons with Mars Trip Calculation

    Radiation Exposure Comparisons with Mars Trip Calculation
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    CREDIT: NASA/JPL-Caltech/MSSS
  • Measuring the Age of a Rock on Mars

    Measuring the Age of a Rock on Mars
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    CREDIT: NASA/JPL-Caltech/MSSS
  • Scarp Retreat Model and Exposure History of 'Yellowknife Bay'

    Scarp Retreat Model and Exposure History of 'Yellowknife Bay'
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    CREDIT: NASA/JPL-Caltech
In December 2013, NASA announced new findings from the Mars rover Curiosity that revealed signs of an ancient lake on the Red Planet, evidence that the planet was could have supported life in the ancient past. See photos from that announcement here.

Here: Mastcam mosaic of the Yellowknife Bay formation. This is a view from the base of an exposed section up through Sheepbed, Gillespie Lake, and basal Glenelg members. Locations of drill holes and Alpha Particle X-Ray Spectrometer (A PXS) measurements are shown. Image released Dec. 9, 2013. [Read the Full Story Here]

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