Planetary Science

  1. an image showing several Apollo 11 anniversary books
    Planetary Science

    Celebrate the moon landing anniversary with books that go beyond the small step

    New books about Apollo 11 and the mission to the moon offer something for everyone, from astronomy lovers to fans of graphic novels and self-improvement buffs.

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  2. Hayabusa2 touching down on Ryugu
    Planetary Science

    Hayabusa2 may have just snagged bits of asteroid Ryugu’s insides

    In its second sampling attempt, Hayabusa2 became the first spacecraft to try to pick up some of an asteroid’s guts.

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  3. Astronomicum Caesareum moon image
    Planetary Science

    See how visualizations of the moon have changed over time

    To celebrate the 50th anniversary of the moon landing, here’s a collection of images that show how the moon has been visualized over the ages.

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  4. crescent moon
    Anthropology

    Ancient humans used the moon as a calendar in the sky

    Whether the moon was a timekeeper for early humans, as first argued during the Apollo missions, is still up for debate.

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  5. 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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  6. 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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  7. 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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  8. 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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  9. 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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  10. 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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  11. 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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  12. 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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