Planetary Science

  1. Planetary Science

    Roving on the Red Planet

    NASA last month selected the landing sites for rovers scheduled to begin exploring the Martian surface next January.

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  2. Planetary Science

    Spacecraft reveal Mars’ molten heart

    Tracking the precise motion of a spacecraft orbiting Mars, planetary scientists have deduced that the core of the Red Planet is at least partially liquid.

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  3. Planetary Science

    Red Planet

    The imaging team of NASA’s Mars Global Surveyor spacecraft has doubled the number of Mars pictures available to the public with the release of a new archive of photos. The archive contains all the pictures that were taken by Mars Global Surveyor from September 1999 through February 2000 and includes the images that were taken […]

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  4. Planetary Science

    Planets in Autumn

    On Sept. 22, Earth joined two other worlds in the solar system where it is northern autumn. At this NASA Web site, learn more about Earth’s September equinox and ponder the bizarre seasons of other planets. Go to: http://science.nasa.gov/headlines/y2000/ast22sep_1.htm?list110076

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  5. Planetary Science

    Martian Gullies: Carved by melting snow?

    Melting snow may have sculpted the recently formed gullies found at midlatitudes on Mars.

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  6. Planetary Science

    Space Class

    If you’re looking for classroom materials tied to recent NASA news reports, such as evidence suggesting the presence of water on Mars, this Web site pulls together a variety of articles, images, and Web links related to any given report. The archive includes topics such as solar storms, meteors, planetary alignments, eclipses, and many others. […]

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  7. Planetary Science

    Forgotten Planet

    Mercury: The solar system's inner frontier.

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  8. Planetary Science

    New moons for Neptune?

    Astronomers say they have discovered three additional moons circling Neptune.

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  9. Planetary Science

    Martian leaks: Hints of present-day water

    In some of the coldest regions on Mars, water appears to have recently gushed from just beneath the surface, running down crater walls and steep valleys.

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  10. Planetary Science

    Mars reveals more frozen water

    Planetary scientists have discovered ice near the edge of Mars' south polar cap.

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  11. Planetary Science

    Fresh crater found on lunar images

    Scientists analyzing images of the moon's surface taken from lunar orbit believe they've identified the crater that formed when a small asteroid slammed into the moon almost 5 decades ago.

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  12. Planetary Science

    Fresh crater found on lunar images

    Scientists analyzing images of the moon's surface taken from lunar orbit believe they've identified the crater that formed when a small asteroid slammed into the moon almost 5 decades ago.

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