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    U.S. Air Force halts plan for rocket landing pads on remote Pacific atoll amid environmental backlash

    Space News13 hours ago

    U.S. Air Force halts plan for rocket landing pads on remote Pacific atoll amid environmental backlash

    WASHINGTON — The U.S. Air Force has shelved a proposal to build two rocket landing pads on Johnston Atoll, a remote island in the central Pacific Ocean, following environmental concerns

    Ice World Microbiology: Cryorhodopsins

    Astrobiology14 hours ago

    Ice World Microbiology: Cryorhodopsins

    Pentameric architecture of CryoRs and unusual central channel. (A) Overall view of the CryoR1 pentamer in detergent micelles and nanodiscs. (B) View at the CryoR1 pentamer from the cytoplasmic side.

    exoatlas: Friendly Python Code For Exoplanet Populations

    Astrobiology14 hours ago

    exoatlas: Friendly Python Code For Exoplanet Populations

    Example exoatlas visualization placing the first discovered transiting exoplanet HD209458b in context with other transiting exoplanets and the eight major Solar System planets. Errorbars use a color intensity that scales

    Diversity of Rocky Planet Atmospheres In The C-H-O-N-S-Cl System With Interior Dissolution, Non-ideality, and Condensation: Application to TRAPPIST-1e and Sub-Neptunes

    Astrobiology14 hours ago

    Diversity of Rocky Planet Atmospheres In The C-H-O-N-S-Cl System With Interior Dissolution, Non-ideality, and Condensation: Application to TRAPPIST-1e and Sub-Neptunes

    Atmospheric speciation of TRAPPIST-1e at 280 K above a planetary surface with stable condensates for atmospheres originally in equilibrium with a fully molten mantle. In all panels, the curve colours

    Formation of Complex Organic Molecules in Prestellar Cores: The Role of Non-Diffusive Grain Chemistry

    Astrobiology14 hours ago

    Formation of Complex Organic Molecules in Prestellar Cores: The Role of Non-Diffusive Grain Chemistry

    The major COMs formation routes on grain surface. The COMs studied in our simulations have teal background. The species involved in the methanol formation chain are highlighted in bold. The

    How Earth’s Biomass Changed Over 500 Million Years

    Astrobiology14 hours ago

    How Earth’s Biomass Changed Over 500 Million Years

    Reef scene off the coast of St. Croix, USVI In a first-of-its-kind study, Stanford researchers have measured how the abundance of ocean life has

    Flight 53 Preview – By the Numbers

    Nasa Mars1 year ago

    Flight 53 Expected Flight date: 07/22/2023 Horizontal flight distance: 666.34 feet (203.1 meters) Flight time: 136.82 seconds Flight altitude: 32 feet (10 meters) Heading: North Max Flight speed: 5.6 mph (2.5 meters per

    Hide and Seek

    Nasa Mars2 years ago

    Even before the end of Ingenuity’s primary mission as a technology demonstrator, the helicopter showed that it could provide tactical and scientific scouting for the Perseverance mission. In practice, this

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