Planetary Science

  1. Planetary Science

    Mojave Crater may be source of many Martian meteorites

    Many of the roughly 150 Martian meteorites found on Earth probably came from the Mojave Crater on Mars.

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  2. Planetary Science

    Asteroid disintegrates while spinning too fast

    Asteroid P/2013 R3 is shattering into a cloud of debris in these images captured by the Hubble Space Telescope.

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  3. Planetary Science

    Lunar asteroid impact caught on video

    On September 11, a dishwasher-sized meteoroid slammed into the nearside of the moon, exploding with the equivalent of 16 tons of TNT — and a lucky team of Spanish astronomers caught it on video.

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  4. Planetary Science

    Moon like blue cheese?

    The lunar surface turns out to have more grit than scientists thought.

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  5. Planetary Science

    Big space rock makes an impact on Mars

    An orbiting spacecraft snapped images of a huge crater and blast marks on the surface of the Red Planet.

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  6. Planetary Science

    Asteroid shows its inner differences

    The peanut-shaped space rock is more compact on one side than on the other.

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  7. Planetary Science

    Mars ‘air’ found thinner

    Readers get an update on the Red Planet's atmosphere and how new probes land there with parachutes.

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  8. Planetary Science

    China’s moon rover may be beyond repair

    If the rover’s electronics are exposed to the extremely cold temperatures on the moon, they will break, leaving Jade Rabbit inoperable.

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  9. Earth

    Eighth century carbon spike not from comet impact

    The space rock would have to have been 100 kilometers across and 100 billion to 1,000 billion tons, leaving a disastrous impact not supported by geological or written records.

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  10. Planetary Science

    Old rover finds new evidence of water on Mars

    Opportunity’s analysis of rocks at Endeavour crater reveals chemistry that could have supported life.

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  11. Planetary Science

    Dwarf planet Ceres gives off gassy water

    Astronomers report observations that Ceres releases water molecules from two distinct spots on its surface.

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  12. Astronomy

    Rosetta spacecraft checks in with Earth

    The spacecraft has successfully transmitted a signal to Earth, meaning that ESA controllers can now prepare Rosetta for its August rendezvous with comet 67P/Churyumov–Gerasimenko.

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