We demonstrate that dark matter interactions can profoundly influence stellar nucleosynthesis in the early universe by altering thermodynamic gradients and modifying nuclear reaction rates within primordial stars.
astrophysics
Posted inAstrobiology (general), Conferences and Meetings, Courses, Education and Outreach, Status Report
Apply Now: 2025 NASA Planetary Science Summer School
Now through March 18, 2025, NASA is encouraging applications for its 37th Annual Planetary Science Summer School. Offered by the Jet Propulsion Laboratory in Pasadena, California, PSSS is a 3-month […]
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Biophysics, Biosignatures & Paleobiology, Intelligence & Language, Interstellar, Status Report
Detection of Thioacetaldehyde (CH3CHS) in TMC-1: Sulfur-oxygen Differentiation Along The Hydrogenation Sequence
In recent years the chemistry of sulfur in the interstellar medium has experienced a renewed interest due to the detection of a large variety of molecules containing sulfur.
Posted inAstronomy & Telescopes, Imaging & Spectroscopy, Interstellar, Science Fiction, SETI & Technosignatures, Status Report
High-resolution Imaging Of The Radio Source Associated With Project Hephaistos Dyson Sphere Candidate G
We present high-resolution e-MERLIN and EVN (e-VLBI) observations of a radio source associated with Dyson Sphere candidate G, identified as part of Project Hephaistos.
Posted inAstrochemistry, Astronomy & Telescopes, Biochemistry & Organic Chemistry, Status Report
Abundant Water From Early Supernovae At Cosmic Dawn
Primordial (or Pop III) supernovae were the first nucleosynthetic engines in the Universe, forging the heavy elements required for the later formation of planets and life.
Posted inAstrochemistry, Astronomy & Telescopes, Imaging & Spectroscopy, Interstellar, Status Report, Stellar Cartography
ALMA Observations of CO Isotopologues Towards Six Obscured post-AGB Stars
Low- and intermediate-mass stars evolve through the asymptotic giant branch (AGB), when an efficient mass-loss process removes a significant fraction of their initial mass.
Posted inAI - Data - Apps - Cybernetics, Apps - Games, Astronomy & Telescopes, Status Report
The Multimodal Universe: Enabling Large-Scale Machine Learning with 100TB of Astronomical Scientific Data
We present the MULTIMODAL UNIVERSE, a large-scale multimodal dataset of scientific astronomical data, compiled specifically to facilitate machine learning research.
Posted inAstronomy & Telescopes, Status Report, Stellar Cartography
The Impact Of The Cosmological Constant On Past And Future Star Formation
We present an extended analytic model for cosmic star formation, with the aim of investigating the impact of cosmological parameters on the star formation history within the ΛCDM paradigm.
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Exoplanets, -moons, -comets, Space Weather & Heliophysics, Status Report, Stellar Cartography
Physics of mid- and Low-mass Stars with Solar-type Activity and Their Impact on Exoplanetary Environments
In the monograph, the authors systematize and generalize the results of studying solar-type activity that is characteristic of a significant part of mid- and low-mass stars of the Galaxy, outline […]
Posted inAstronomy & Telescopes, Biosignatures & Paleobiology, Imaging & Spectroscopy, Intelligence & Language, Interstellar, Origin & Evolution of Life, People Of Astrobiology, Press Release, SETI & Technosignatures, Stellar Cartography
A New Model Calculates The Chances Of Intelligent Life Elsewhere
The chances of intelligent life emerging in our Universe – and in any hypothetical ones beyond it – can be estimated by a new theoretical model which has echoes of […]