This review article delves into the study of low-mass exoplanets: super-Earths, mini-Neptunes and the new categories within and between that we are starting to discover.
habotability
Posted inAstrogeology, Astronomy & Telescopes, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report
Demographics Of M Dwarf Binary Exoplanet Hosts Discovered by TESS
M dwarfs have become increasingly important in the detection of exoplanets and the study of Earth-sized planets and their habitability. However, 20-30% of M dwarfs have companions that can impact […]
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Gaia - Planetary Perspectives, Genomics, Proteomics, Bioinformatics, Habitable Zones, Microbiology & Virology, Radiation, Status Report
Impacts of UV Radiation From An AGN On Planetary Atmospheres And Consequences For Galactic Habitability
We present a study of the effects of ultraviolet (UV) emission from active galactic nuclei (AGN) on the atmospheric composition of planets and potential impact on life. It is expected […]
Posted inHabitable Zones, Magnetic Fields, Electromagnetism, bioelectricity,, Radiation, Space Weather & Heliophysics, Status Report
Space Weather Forecasts: Monitoring The Daily Variation of Sun-Earth Magnetic Fields Using Galactic Cosmic Rays
The interplanetary magnetic field (IMF) between the Sun and Earth is an extension of the solar magnetic field carried by the solar wind into interplanetary space.
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report
Optimized Bandpasses For The Habitable Worlds Observatory’s ExoEarth Survey
A primary scientific goal of the future Habitable Worlds Observatory will be the direct detection and characterization of Earth-like planets. Estimates of the exoplanet yields for this concept will help […]
Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Fossils & Paleontology, Gaia - Planetary Perspectives, Mapping, Geodesy, Cartography, Bathymetry, Origin & Evolution of Life, Press Release, Water/Hycean Worlds & Oceanography
Ancient Earth’s Ocean Oxygenation Timeline Revealed
New study introduces a pioneering application of dolomite U-Pb geochronology, shedding new light on the evolution of ancient marine environments. By uncovering discrepancies in dolomite samples U-Pb ratios, the team […]
Posted inBiogeochemical Cycles & Geobiology, Imaging & Spectroscopy, Mapping, Geodesy, Cartography, Bathymetry, Plant Biology, Press Release
Habitable World Assays: New Satellite Dataset Sheds Light On Earth’s Plant Growth
In the field of environmental and climate science, researchers have developed the Comprehensive Mechanistic Light Response (CMLR) gross primary production (GPP) dataset. Derived from the TROPOMI satellite’s solar-induced chlorophyll fluorescence […]
Posted inAnalog Studies, Astrogeology, Away Teams & Field Reports, Biosignatures & Paleobiology, Imaging & Spectroscopy, Status Report, Tricorders & Sensors
Tricorder Tech: Astrobiological Applications Of μ-mapping X-ray Fluorescence Spectrometry
Many low-temperature planetary surface processes leave traces of their actions as features in the size range from 0.01 mm to several mm. Syn-sedimentary, authigenic and diagenetic features at the higher […]
Posted inAstrogeology, Atmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Habitable Zones, Origin & Evolution of Life, Status Report, Terraforming & Geoengineering, Venus
Venus As An Anchor Point for Planetary Habitability
A major focus of the planetary science and astrobiology community is the understanding of planetary habitability, including the myriad factors that control the evolution and sustainability of temperate surface environments […]