Reflecting disc of radius R at distance r from a body of mass M and luminosity L. — astro-ph.SR A range of speculative space ventures envisage the use of ultra-large
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Astronomers Produce the Largest Image Ever Taken of the Heart of the Milky Way
Astronomers have captured the central region of our Milky Way in a striking new image, unveiling a complex network of filaments of cosmic gas in unprecedented detail. Obtained with the
Mantle Convection And Nightside Volcanism On Lava World K2-141 b
Snapshots of mantle temperature and melt fraction (top row) and basalt fraction (bottom row) at 6.5 Gyr for each interior model of K2-141 b. All models show a shallow magma
Template-Based Catalysis and the Emergence of Collectively Autocatalytic SystemsEntropy
Template-based cleavage and condensation. (Top) cleavage. The catalyst contains an active site (shown as colored monomers, and highlighted by the ochre box) and a designated cleavage position (the vertical red
Ground-based Atmospheric Characterization of Super-Earth L 98-59 d at High Spectral Resolution
Additional analysis for the tentative cross-correlation signal observed for H2S. We show the cross-correlation S/N as a function of the orbital parameters of the planet. In each case, the expected
Registration Is Now Open For Origins 2026
Origins 2026 Origins 2026 is an international conference jointly organized by the International Society for the Study of the Origins of Life – The International Astrobiology Society (ISSOL) and the
Space Ionizing Radiation Triggers The Formation Of Peptides And Organophosphates On Olivine Surfaces
The schematic diagram of the Space Radiobiological Exposure Facility. — Nature Communications Bioorganic molecules, such as amino acids, nucleobases, and sugars, are widely distributed in space. Here, we utilized the
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Artist’s impression of RNA. Image credit: Vossman/Wikipedia Commons via NASA The origin of life is a complex scientific problem demanding interdisciplinary approaches. We propose a Linear Logic (LL)-based computational framework
Hayabusa2 Asteroid samples — JAXA To uncover the history of our solar system, it is necessary to study the dynamic evolution of the ancient solar nebula materials. These materials interacted
2 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) NASA NASA’s Advanced Air Vehicles Program (AAVP) studies, evaluates, and develops technologies and capabilities for new aircraft systems and
Anyone familiar with the search for alien life will have heard of the “Goldilocks Zone” around a star. This is defined as the orbital band where the temperature is just
In a first, a space mission led by NASA and France has tracked Earth’s rivers swelling and shrinking from month to month over the course of a year and found
Astronomers have reported observations of a rare star system consisting of one star orbiting a system of three more tightly bound stars. This quadruple star system is described in a
China is gearing up for additional testing of its Mengzhou crew capsule following a promising splashdown exercise conducted last month. In tandem with these developments, both commercial operators and state-run
It’s hard to turn away from a picture of the Cat’s Eye Nebula, even if you’ve seen it dozens of times. It may be the most visually compelling planetary nebula
X-ray: NASA/CXC/John Hopkins Univ./C.M. Lisse et al.; Infrared: NASA/ESA/STIS; Image Processing: NASA/CXC/SAO/N. Wolk For the first time, a young, Sun-like star has been caught red-handed blowing bubbles in the galaxy,
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