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PLANETARY SCIENCE: 'Spiders' Channel Mars Polar Ice Cap.

R A Lovett

    Science (New York, N.Y.)
    |September 11, 2007
    PubMed
    Summary
    This summary is machine-generated.

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    New high-resolution images of Mars

    Area of Science:

    • Planetary Science
    • Mars Research
    • Geology

    Background:

    • The Martian south polar ice cap exhibits dynamic seasonal changes.
    • Unique terrain features have been observed in recent high-resolution imagery.

    Purpose of the Study:

    • To investigate the origin of novel terrain features on the Martian south polar ice cap.
    • To understand the processes driving the seasonal variations of the Martian ice cap.

    Main Methods:

    • Analysis of high-resolution orbital imagery of the Martian south polar region.
    • Observation and characterization of distinctive terrain formations, including 'black spiders' and 'dark fans'.

    Main Results:

    • Identification of 'black spiders' and 'dark fans' as new classes of terrain features.

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  • Hypothesis that 'black spiders' may represent subsurface carbon dioxide gas channels.
  • Transparency in specific sections of the Martian ice cap allows visibility of these features.

    • Conclusions:

    • These features offer potential new insights into Mars' atmospheric dynamics and seasonal cycles.
    • The proposed 'black spiders' as gas channels could explain observed surface phenomena.