Showing results by author "Sushil K. Atreya"

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    • The Mystery of Methane on Mars and Titan

    • Scientific American
    • By: Sushil K. Atreya, Scientific American
    • Narrated by: Sal Giangrasso
    • Length: 24 mins
    • Unabridged
    • Overall
      4 out of 5 stars 7
    • Performance
      4 out of 5 stars 4
    • Story
      4.5 out of 5 stars 4

    The presence of methane in the atmospheres of Mars and Titan might mean there is unusual geologic activity going on. It might also be an indicator of life. Learn more in this article, "The Mystery of Methane on Mars and Titan", from the May 2007 edition of Scientific American.

    • 5 out of 5 stars
    • Actually 24 minutes long

    • By Joel on 04-10-10

    Regular price: $1.95