Sugars are essential biomolecules, serving as metabolic fuels, nucleic acid backbone components, and structural or energy-storage polymers. A central question in origin-of-life research is how monosaccharides formed on the primitive […]
astro-ph
Posted inAstrobiology (general), Astronomy & Telescopes, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report, Stellar Cartography
Astrobiologically Interesting Stars Within 10 Parsecs Of The Sun
The existence of life based on carbon chemistry and water oceans relies upon planetary properties, chiefly climate stability, and stellar properties, such as mass, age, metallicity and Galactic orbits.
Posted inAtmospheres, Climate, Weather, Press Release
Abrupt Global Events In The Earth's History: A Physics Perspective
The timeline of the Earth’s history reveals quasi-periodicity of the geological record over the last 542 Myr, on timescales close, in the order of magnitude, to 1 Myr. What is […]
Posted inExoplanets, -moons, -comets
Weak Temperature Gradient Approximation for Earth-Like Tidally Locked Exoplanets
Planets in M dwarf stars’ habitable zones are likely to be tidally locked with orbital periods of order tens of days. This means that the effects of rotation on atmospheric […]
Posted inNews Summary Archives
Astrobiology News 26 June 2013
– Luminosity of young Jupiters revisited. Massive cores make hot planets, astro-ph– A dynamically-packed planetary system around GJ667C with three super-Earths in its habitable zone, astro-ph– How close is Earth […]
Posted inAstrochemistry
Astrochemistry: the issue of molecular complexity in astrophysical environments
Astrochemistry aims at studying chemical processes in astronomical environments. This discipline — located at the crossroad between astrophysics and chemistry — is rapidly evolving and explores the issue of the […]