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Asteroids and comets pummeling Earth delayed rise of oxygen Remnants of ancient asteroids revealed Earth was bombarded by massive space rocks more often than previously thought, vastly altering oxygen levels in the planet's early atmosphere. When Earth formed 4.6 billion years ago, it had almost no atmosphere.
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THIS WEEK @NASA: Orion Spacecraft for Artemis I on the Move, NASA Selects Telescope to Study Milky Way Engineers at NASA's Kennedy Space Center in Florida moved the Orion spacecraft for our Artemis I mission from the Launch Abort System Facility to the Vehicle Assembly Building. Then Orion was placed on top of the Space Launch System ...
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Neutron star collisions are a "goldmine" of heavy elements, study finds A star's white-hot center fuels the fusion of protons, squeezing them together to build progressively heavier elements. But beyond iron, scientists have puzzled over what could give rise to gold, platinum, and the rest of the universe's heavy elements, ...
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Want to hear what it sounds like on Mars? NASA's Perseverance rover gives you the chance. The rover, which first arrived on Mars in February, has two microphones attached to it. It has so far recorded around five hours of sound, including "Martian wind gusts, rover wheels crunching over gravel, and motors whirring as the spacecraft moves its ...
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Scientists Capture Rare Direct Image of Planet 400 Light Years Away Scientists have captured a photograph of a planet located more than 400 light years away from the Earth. The finding is rare and adds to only a handful of planets that have been observed directly with telescopes. The planet is also one of the youngest ...
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Keck Observatory Helps Astronomers Look Closely Into One of the Youngest Planets Ever Seen A direct image of the planet 2m0437, which lies about 100 times the earth-sun distance from its parent star. The image was taken by ircs on the Subaru telescope on Maunakea. The much-brighter host star has been mostly removed, and the four "spikes'' are ...
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2.5 billion-year-old traces of life locked inside primeval ruby Traces of ancient life were locked inside a 2.5 billion-year-old ruby from Greenland, according to a new study. The planet's oldest rubies, sparkling red gemstones made up of a transparent red mineral called corundum, are found in Greenland.
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Space junk a growing concern for NASA astronauts Chari is talking about "space junk." He's one of NASA's astronauts rocketing to the ISS on a SpaceX Crew Dragon spacecraft at the end of the month. Right now, there are about ...
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NASA's Perseverance Rover Poses In Spooky Mars Photo At this very moment, multiple robots are exploring Mars to help scientists and astronomers better understand the planet. Whether it be Curiosity, Perseverance, or Ingenuity, these robots are critical for Martian exploration. They also happen to be great ...
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Sound on Mars: Hear audio from NASA's Perseverance Rover "It's like you're really standing there," said Baptiste Chide, a planetary scientist who studies data from the microphones, in a NASA release. "Martian sounds have strong bass vibrations, so when you put on headphones, you can really feel it.
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