Meteorite collectors often use strong magnets for classification, but this approach destroys crucial evidence of processes active in the early solar system.
meteors & meteorites
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Molten Meteorites Didn’t Deliver Earth’s Water
A new study has ruled out large, once-molten meteorites called achondrites as sources of Earth’s water.
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Meteor Impact Could Inform Martian Mysteries
The impact sent surface waves rippling over the Martian surface all the way to NASA’s InSight lander, giving scientists a rare view of the planet’s outer layer.
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Martian Meteorites Offer a Tantalizing Glimpse of the Red Planet
By studying these literal chunks of Mars, scientists are learning more about the Red Planet’s deep interior and impact history.
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Isótopos de criptón proporcionan nuevos indicios sobre el pasado de los planetas
Para determinar cómo los elementos cruciales para el desarrollo de la vida llegaron a la Tierra, los científicos estudian los gases nobles. Actualmente, métodos mejorados traen consigo nuevos indicios a partir del criptón, el gas noble más enigmático.
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Rare Meteorites Shed Light on Diamond Formation
By studying meteorites believed to be remnants of the catastrophic breakup of a dwarf planet, researchers are learning how lonsdaleite, a particularly hard type of diamond, forms in nature.
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Tiny “Pancakes” Suggest Some Asteroids May Stay Active
Analysis of a meteorite that fell in Costa Rica shows that its parent body may resemble the asteroid Bennu.
Posted inScience Updates
A Post-Impact Deep Freeze for Dinosaurs
New research supports the hypothesis that dinosaurs were done in by climate change after an asteroid impact kicked up a massive plume of sulfur gases that circled the globe for several decades.
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Community Scientists Recover Micrometeorites from Lake Michigan
A team of scientists, educators, and teenagers discovered the objects, some of which may have been delivered by a fireball that streaked across the sky in 2017.
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Flipping the Sequence of Martian Formation
Analysis of the Chassigny meteorite suggests the planet acquired most of its interior volatiles from meteorites, not from the solar nebula.