Planetary Science

  1. Planetary Science

    Pluto’s dark side reveals clues to its atmosphere and frost cycles

    Light from Pluto’s moon Charon illuminated the dwarf planet’s farside offering clues about how nitrogen cycles between its surface and its atmosphere.

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  2. Planetary Science

    What the Perseverance rover’s quiet landing reveals about meteor strikes on Mars

    InSight tried to detect seismic waves created by the arrival of its sister mission, helping scientists uncover how Mars absorbs energy from impacts.

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  3. Space

    5 cool things to know about NASA’s Lucy mission to the Trojan asteroids

    NASA’s Lucy is the first spacecraft to head to the two giant clumps of space rocks that tag along in Jupiter’s orbit.

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  4. Earth

    Earth is reflecting less light. It’s not clear if that’s a trend

    A decrease in Earth’s reflectance shows our planet is absorbing more solar radiation, but it’s not clear if the trend will last.

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  5. Astronomy

    China’s lunar rock samples show lava flowed on the moon 2 billion years ago

    The first lunar rocks returned to Earth in more than 40 years show that the moon was volcanically active later than scientists thought.

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  6. Astronomy

    Space rocks may have bounced off baby Earth, but slammed into Venus

    New simulations suggest a way to help explain dramatic differences between the sibling worlds.

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  7. Planetary Science

    NASA’s Perseverance rover snagged its first Martian rock samples

    Two tubes of stone drilled from a basalt rock nicknamed Rochette are the first from Mars slated to eventually return to Earth.

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  8. Planetary Science

    50 years ago, astronomers were chipping away at Pluto’s mass

    Prior to the discovery of Pluto’s moon Charon, astronomers struggled to pin down the dwarf planet’s mass.

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  9. Astronomy

    The definition of planet is still a sore point – especially among Pluto fans

    In the 15 years since Pluto lost its planet status, scientists have continued to use the definition that works for them.

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  10. Planetary Science

    See some of the most intriguing photos from NASA’s Perseverance rover so far

    Six months ago, Perseverance landed on the Red Planet. Here’s what the rover has been observing.

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  11. Space

    Jupiter’s intense auroras superheat its upper atmosphere

    Jupiter’s hotter-than-expected upper atmosphere may be caused by high-speed charged particles slamming into the air high above the poles.

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  12. Astronomy

    The tiny dot in this image may be the first look at exomoons in the making

    New ALMA observations offer some of the strongest evidence yet that planets around other stars have moons.

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