Planetary Science

  1. Planetary Science

    Stellar death may spawn solar system

    Material shed by a dying star might give birth to planets.

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  2. Planetary Science

    From the January 2, 1937, issue

    The beauty of snow, a very large number, and a robot brain machine.

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  3. Planetary Science

    The Big Picture: Cassini spies Titan’s tall mountains

    A spacecraft has discovered the largest mountains known on Titan, Saturn's smog-shrouded moon.

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  4. Planetary Science

    Craft reveals Martian site of ancient water

    The distribution of materials in this composite image of the Nili Fossae region of Mars tells scientists that water resided there no more recently than nearly 4 billion years ago. Green indicates clay minerals that formed in a wet environment. Red depicts the mineral olivine, which formed about 3.8 billion years ago, according to the […]

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  5. Planetary Science

    Signs of recent water on Mars

    Pictures showing fresh deposits of bright material on two Martian gullies provide the most compelling evidence yet that water flowed on parts of the Red Planet during the last few years.

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  6. Planetary Science

    So long, Surveyor

    After 8 years of relaying pictures, topographic maps, magnetic field data, and compositional information from above the Red Planet, NASA's Mars Global Surveyor spacecraft appears to have called it quits.

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  7. Planetary Science

    Howdy, Neighbors: Long-term study finds a batch of red dwarfs

    Astronomers have found 20 previously unknown star systems that lie within 33 light-years of Earth.

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  8. Planetary Science

    Jovian storm grows stormier

    Jupiter's Little Red Spot has become as strong as its big brother.

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  9. Planetary Science

    Satanic Winds

    Dust devils send prodigious amounts of dust into Earth's atmosphere, and on Mars the electric fields generated by the dusty vortices may actually stimulate changes in atmospheric chemistry that sterilize the soil.

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  10. Planetary Science

    A sunrise view of Mars

    The first high-resolution images sent by the Mars Reconnaissance Orbiter support the notion that water once flowed across much of the Red Planet.

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  11. Planetary Science

    Ring Shots

    With the sun poised behind Saturn, the Cassini spacecraft recently got a unique view of the rings' icy dust particles, enabling it to discover two new rings and confirm the presence of two ringlets.

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  12. Planetary Science

    Web Special: Clay magic on Mars

    NASA's Mars Reconnaissance Orbiter has just completed a week of picture taking from as low as 300 kilometers above the surface of the Red Planet.

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