Planetary Science
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Planetary ScienceIsrael’s first moon mission lost moments before landing
The spacecraft’s engine cut out just before it was to touch down in the Sea of Serenity.
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Science & SocietyThe delight of discovering an asteroid that spits
Editor in Chief Nancy Shute discusses recent news about the asteroid Bennu and Kuiper Belt–object Ultima Thule.
By Nancy Shute -
Planetary ScienceHayabusa2 has blasted the surface of asteroid Ryugu to make a crater
Japan’s Hayabusa2 spacecraft shot a projectile at Ryugu. Next: collecting asteroid dust from the probable impact crater left behind.
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AstronomyThis planetary remnant somehow survived the death of its sun
A small, sturdy piece of planet survived the collapse of its sun and now orbits the dead star.
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Planetary ScienceMetal asteroids may have once had iron-spewing volcanoes
Two groups of scientists introduce the idea of “ferrovolcanism,” or iron volcanoes, that could have occurred on metal asteroids like Psyche.
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Planetary ScienceSaturn’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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Planetary ScienceKuiper 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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Planetary ScienceRyugu 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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Planetary ScienceSurprising 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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Planetary ScienceUltima 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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Astronomy3 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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Planetary ScienceHayabusa2 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.