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    Earth’s Oxygen Boom: A Fresh Perspective For A Billion-year-old Problem

    Astrobiology5 hours ago

    Earth’s Oxygen Boom: A Fresh Perspective For A Billion-year-old Problem

    The solid curve represents the average dissolved oceanic Ni concentration (nmol L−1). Light blue indicates pO2 (Present Atmospheric Level, PAL). Changes in urea concentration are indicated by a red gradient

    Special Issue of Geosciences: “Worlds of the Solar System: Geological Evolution and Habitability of Planets and Moons”

    Astrobiology5 hours ago

    Special Issue of Geosciences: “Worlds of the Solar System: Geological Evolution and Habitability of Planets and Moons”

    Our solar system — NASA The Special Issue of Geosciences entitled “Worlds of the Solar System: Geological Evolution and Habitability of Planets and Moons” aims to bring together the latest

    Fluid Flow In Ceres Due To Core Heating

    Astrobiology5 hours ago

    Fluid Flow In Ceres Due To Core Heating

    This illustration depicts the interior of dwarf planet Ceres, including the transfer of water and gases from the rocky core to a reservoir of salty water as a consequence of

    Spectral Mixture Modeling with Laboratory Near-Infrared Data I: Insights into Compositional Analysis of Europa

    Astrobiology5 hours ago

    Spectral Mixture Modeling with Laboratory Near-Infrared Data I: Insights into Compositional Analysis of Europa

    Left panel: Patches of dark and bright materials on Europa observed in a high-resolution image from the Galileo Solid State Imaging (SSI) system (Belton et al., 1992). The image is

    JWST compares gravitational lensing | Space photo of the day for Oct. 10, 2025

    space.com7 hours ago

    JWST compares gravitational lensing | Space photo of the day for Oct. 10, 2025

    Peering into deep space, NASA’s James Webb Space Telescope has helped astronomers find places to study gravitational lensing, an effect in which massive objects such as galaxies warp space-time itself,

    New Zealand charts continued growth of its space industry

    Space News8 hours ago

    New Zealand charts continued growth of its space industry

    CHRISTCHURCH, New Zealand — The New Zealand government is touting the progress it is making to grow the country’s aerospace industry. In a speech Oct. 8 at the New Zealand

    The Dark Tower

    Astronomy Now11 months ago

    Image: ESO/VPHAS+ Team. This eerie, dark silhouette is a cometary globule designated GN 16.43.7.01. Despite their name, cometary globules have nothing to do with comets, beyond having a similar shape

    Going south in Sculptor

    Astronomy Now11 months ago

    Magnificent NGC 253, the Silver Coin Galaxy in Sculptor. Image: Warren Keller/Telescope Live. Amateur astronomers just love the challenge of checking out those horizon-hugging southern constellations and seeking the deep-sky

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