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    NASA's Curiosity Rover tagged posts

    Scientists Propose New Theory that explains Sand Ripples on Mars and on Earth

    March 14, 2024, Categories  Astronomy/Space

    Photo caption: Waves received in the wind tunnel of Ben Gurion University of the Negev with glass balls with a diameter of 90 microns. Two scales of waves can be seen in the image.
    Small waves with a wavelength of centimeters and large waves with a wavelength of about 10 centimeters resemble waves due to the flow of water. The existence of two scales of waves on Mars was discovered by the Mars Curiosity Rover.| Photo: Hezi Yizhaq

    Sand ripples are fascinating. They are symmetrical, yet wind — which causes them — is very much not. Furthermore, they can be found on Mars and on Earth. They would be even more fascinating if the same effect found on Mars could be found here on Earth as well. What if one unified theory could explain their formation on two different planets of our solar system?

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    NASA’s Curiosity Rover measures intriguing Carbon Signature on Mars

    January 19, 2022, Categories  Astronomy/Space

    This image shows the Highfield drill hole made by NASA’s Mars Curiosity rover as it was collecting a sample on “Vera Rubin Ridge” in Gale Crater.
     
    Credit: NASA/JPL-Caltech/MSSS

    The type of carbon is associated with biological processes on Earth. Curiosity scientists offer several explanations for the unusual carbon signals. After analyzing powdered rock samples collected from the surface of Mars by NASA’s Curiosity rover, scientists have announced that several of the samples are rich in a type of carbon that on Earth is associated with biological processes.

    While the finding is intriguing, it doesn’t necessarily point to ancient life on Mars, as scientists have not yet found conclusive supporting evidence of ancient or current biology there, such as sedimentary rock formations ...

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