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Top astrobiology.com News

Astronomers Pin Down Universe's Missing Matter in Cosmic Web
Physics

Astronomers Pin Down Universe's Missing Matter in Cosmic Web

62% Center coverage: 32 sources
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Vera C. Rubin Observatory Releases First Photos
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Vera C. Rubin Observatory Releases First Photos

60% Center coverage: 10 sources
MOORHEAD, Minn. (KVRR) – MSUM Planetarium held a screening of a live reveal of never-before-seen pictures of space. The Vera C. Rubin observatory in Chile began recording the sky for the first time in October of 2024, and just released those images to the public. The telescope takes video of the sky in detail that was previously unthinkable, thanks to the largest digital camera ever constructed. Dr. Sara Schultz visited the observatory when it w…See the Story
Massive burps of carbon dioxide triggered widespread ocean anoxia 300 million years ago, sediment cores suggest
Space

Massive burps of carbon dioxide triggered widespread ocean anoxia 300 million years ago, sediment cores suggest

100% Center coverage: 3 sources
New research from the University of California, Davis, the Chinese Academy of Sciences and Texas A&M University reveals that massive emissions, or burps, of carbon dioxide from natural Earth systems led to significant decreases in ocean oxygen concentrations some 300 million years ago.See the Story

Meteorite-Common Amino Acid Induces Formation of Nanocavities in Clay Mineral, Hinting at Life's Origins

100% Center coverage: 1 sources
Researchers at the universities of Amsterdam and Utrecht have observed the formation of nanocavities in montmorillonite clay under exposure to gamma-aminobutyric acid, a molecule commonly found on meteorites. This hitherto unrecognized phenomenon could be relevant to the origin of life on Earth, by introducing 3D confined nano-environments in clay that might have facilitated life's first chemistry. The findings have been reported in Communicatio…Amsterdam, Netherlands · AmsterdamSee the Story

Mars Rover Captures First Close-up Photos of Giant 'Spiderwebs' on the Red Planet

Coverage: 2 sources
NASA's Curiosity rover has snapped its first images of web-like "boxwork" features on the surface of Mars. The zig-zagging rocks could provide clues about the Red Planet's watery past and whether it once harbored extraterrestrial life.NASASee the Story

MEPAG Search for Life - Science Analysis Group Science Community Virtual Workshops - Astrobiology

Part 1: Tuesday July 8th, 8am PDT/11am EDT/5pm CESTPart 2: Tuesday August 5th – Thursday August 7th, 8am PDT/11am EDT/5pm CEST Please join the MEPAG Search for Life-Science Analysis Group (SFL-SAG) for a set of virtual workshops* to solicit feedback and community input to feed into the SFL-SAG Final Report. The purpose of the SFL-SAG […] The post MEPAG Search for Life – Science Analysis Group Science Community Virtual Workshops appeared first on…United States · United StatesRead Article

TOI-1846b: A super-Earth In The Radius Valley Orbiting A Nearby M dwarf - Astrobiology

We present the discovery and validation of a super-Earth planet orbiting the M dwarf star TOI-1846 (TIC 198385543). The host star (𝐾mag = 9.6) is located 47 pc away and has a radius of 𝑅★ = 0.41±0.01 R⊙, a mass of 𝑀★ = 0.40±0.02 M⊙ and an effective temperature of 𝑇eff = 3568 ± 44K. […] The post TOI-1846b: A super-Earth In The Radius Valley Orbiting A Nearby M dwarf appeared first on Astrobiology.Read Article

Near-Surface Water Ice On Mars - Astrobiology

Before they take the long journey to another planet, humans will have to find the right place to land. New findings from a University of Mississippi researcher may point to just such a place on Mars. Erica Luzzi, a planetary geologist and postdoctoral researcher in the Mississippi Mineral Resources Institute, recently led a research effort […] The post Near-surface Water Ice On Mars appeared first on Astrobiology.AstronautsSee the Story

Multivariate Statistical Analysis of Exoplanet Habitability: Detection Bias and Earth Analog Identification - Astrobiology

We present a comprehensive multivariate statistical analysis of 517 exoplanets from the NASA Exoplanet Archive to identify potentially habitable worlds and quantify detection bias in current surveys. Using eight key parameters (planetary radius, equilibrium temperature, insolation flux, density, and stellar effective temperature, radius, mass, metallicity), we developed a classification framework that successfully identifies Earth as […] The pos…Read Article

Advanced Modeling for Exoplanet Detection and Characterization - Astrobiology

Research into light curves from stars (temporal variation of brightness) has completely changed how exoplanets are discovered or characterised. This study including star light curves from the Kepler dataset as a way to discover exoplanets (planetary transits) and derive some estimate of their physical characteristics by the light curve and machine learning methods. The dataset […] The post Advanced Modeling for Exoplanet Detection and Characteri…ResearchRead Article

Water Planet Chemistry: Ocean Acidification Is More Pervasive Than Previously Thought - Astrobiology

New research by an international team of oceanographers has found that ocean acidification has significantly compromised 40% of the global surface ocean, and 60% of the subsurface ocean to a depth of 656 feet (200 meters). The degree of acidification indicates there has been considerable declines in suitable habitats for important marine species that build […] The post Water Planet Chemistry: Ocean Acidification Is More Pervasive Than Previously…YouTube · NiceSee the Story

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