Planetary Science

  1. Planetary Science

    Readers wanted to know about asteroids, lithium batteries and more

    Readers had questions and comments about asteroids, lithium batteries, and pyroclastic flows.

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  2. illustration of Dragonfly mission to Titan
    Planetary Science

    With Dragonfly, NASA is heading back to Saturn’s moon Titan

    NASA’s next robotic mission to explore the solar system is headed to Saturn’s largest moon, Titan.

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  3. Deep Space Atomic Clock illustration
    Tech

    How NASA’s portable atomic clock could revolutionize space travel

    An atomic clock designed to enable self-driving spaceships and GPS-like navigation on other planets is about to take a yearlong test flight.

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  4. Europa
    Astronomy

    Table salt may be hiding in Europa’s underground sea

    Observations of Europa by the Hubble Space Telescope suggest that the moon’s ice-covered ocean may hold sodium chloride, or common table salt.

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  5. Pluto
    Planetary Science

    Icy volcanoes on Pluto may have spewed organic-rich water

    Planetary scientists found ammonia-rich ice near cracks on Pluto, suggesting the dwarf planet had recent icy volcanoes.

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  6. farside of the moon
    Planetary Science

    China’s lunar rover may have found minerals from the moon’s mantle

    The Chang’e-4 mission spotted material on the lunar surface that appears to contain bits originating from the moon’s interior.

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  7. Apollo mission
    Planetary Science

    Apollo-era moonquakes reveal that the moon may be tectonically active

    Moonquakes recorded decades ago suggest the moon is tectonically active. Knowing more about that activity could help scientists identify where to land future spacecraft.

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  8. Asteroid Itokawa
    Planetary Science

    Water has been found in the dust of an asteroid thought to be bone-dry

    Scientists detected water in bits of an asteroid thought to be devoid of the liquid. Such space rocks might have helped create Earth’s oceans.

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  9. exomoon
    Astronomy

    Skepticism grows over whether the first known exomoon exists

    New analyses of the data used to find the first discovered exomoon are reaching conflicting results.

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  10. asteroid Ryugu before and after crater pics
    Planetary Science

    Pictures confirm Hayabusa2 made a crater in asteroid Ryugu

    Hayabusa2’s crater-blasting success, confirmed by an image beamed back from the spacecraft, paves the way to grab subsurface asteroid dust.

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  11. Mars InSight lander
    Planetary Science

    NASA’s Mars InSight lander may have the first recording of a Marsquake

    NASA’s InSight mission appears to have detected a Marsquake for the first time.

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  12. Planetary Science

    Readers ponder Opportunity’s future, animal consciousness and more

    Readers had questions about NASA’s Opportunity rover, pollen shapes and more.

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