Planetary Science
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Science & Society
Readers react to the SN 10 and Jocelyn Bell Burnell
Readers expressed their thoughts about the SN 10 scientists, Saturn's hexagons and Jocelyn Bell Burnell.
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Planetary Science
NASA’s Mars 2020 rover will look for ancient life in a former river delta
NASA’s Mars 2020 rover is going to Jezero crater, the site of an ancient river delta that may harbor signs of life.
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Planetary Science
Tiny satellites will relay news of InSight’s Mars landing in minutes, not hours
NASA’s InSight Mars lander brought along two tiny CubeSats to send details about the spacecraft’s landing to Earth in almost real time.
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Astronomy
Astronomers spot another star that flickers like Tabby’s star
The irregular flickering of star VVV-WIT-07 is reminiscent of Tabby’s star, which brought speculation of alien megastructures.
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Astronomy
One of Earth’s shimmering dust clouds has been spotted at last
Almost 60 years after a Polish astronomer spotted clouds of dust orbiting Earth near the moon, astronomers have detected those clouds again.
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Planetary Science
China is about to visit uncharted territory on the moon
The next two Chinese missions to the moon will visit places no spacecraft has been before. The rest of the world wants a piece of the lunar action.
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Planetary Science
Hints of Oort clouds around other stars may lurk in the universe’s first light
Sifting through the universe’s early light could reveal planetary graveyards orbiting other stars.
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Planetary Science
Dawn, the first spacecraft to orbit 2 alien worlds, has gone silent
The Dawn probe, which hopped between two objects in the asteroid belt during its seven-year mission, ran out of fuel and stopped calling home.
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Planetary Science
Saturn’s moon Dione has stripes like no others in the solar system
Icy moon Dione has long, thin, bright lines at its equator that run surprisingly parallel to each other for tens to hundreds of kilometers.
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Planetary Science
Spiky ice spires may stud the equator of Jupiter’s moon Europa
Fields of jagged ice spires, if they exist, could affect where future spacecraft land on the Jovian moon.
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Planetary Science
Saturn’s ‘ring rain’ is a surprising cocktail of chemicals
NASA’s Cassini probe got a closeup view of the material falling from Saturn’s rings into the planet. The data could help illuminate the belts’ origins.
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Earth
Christopher Hamilton explores the architecture of other worlds
Planetary scientist Christopher Hamilton uses Earth’s volcanic structures are a blueprint for how lava shapes other worlds.