Planetary Science

  1. Planetary Science

    Saturn’s rings paint some of its moons shades of blue and red

    Moons located among Saturn’s inner rings are different colors depending on their distance from the planet, suggesting they’re picking up ring debris.

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  2. Planetary Science

    Kuiper Belt dust may be in our atmosphere (and NASA labs) right now

    Bits of space debris that collect in Earth’s atmosphere may come from as far as the cold, distant Kuiper Belt region beyond Neptune.

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  3. Planetary Science

    Ryugu is probably a chip off one of these two other asteroids

    Japan’s Hayabusa2 team has narrowed down the asteroid Ryugu’s origins based on its color.

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  4. Planetary Science

    Surprising astronomers, Bennu spits plumes of dust into space

    Bennu spews dust from its rocky surface, which may be a new kind of asteroid activity.

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  5. Planetary Science

    Ultima Thule may be a frankenworld

    The first geologic map of Ultima Thule shows it might be made of many smaller rocks that clumped together under the force of their own gravity.

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  6. Astronomy

    3 explanations for ‘Oumuamua that aren’t alien spaceships

    Astronomers are coming up with some creative ideas to explain the weird behavior of the first known interstellar object.

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  7. Planetary Science

    Hayabusa2 just tried to collect asteroid dust for the first time

    The Japanese Hayabusa2 spacecraft touched down on asteroid Ryugu and attempted to gather a sample of its rock to bring back to Earth.

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  8. Planetary Science

    Neptune’s smallest moon may be a chip off another moon

    Neptune’s tiniest moon probably formed when a comet hit a larger moon.

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  9. Planetary Science

    Mars’ lake may need an underground volcano to exist

    If a lake under Martian ice is real, there must be a subsurface magma pool to keep conditions warm enough for water to remain liquid, scientists say.

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  10. Planetary Science

    After 15 years on Mars, it’s the end of the road for Opportunity

    After 15 years of exploring Mars, a dust storm led to the demise of NASA’s longest-lived rover.

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  11. Planetary Science

    A basketball-sized rock hit the moon during the last lunar eclipse

    Professional and amateur astronomers joined forces to analyze the impact.

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  12. Astronomy

    A space rock collision may explain how this exoplanet was born

    Simulations suggest a planet roughly 2,000 light-years away formed when two space rocks collided, supporting the idea that such events are universal.

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