The ANT1 Radiation Tolerance Experiment with Moss in Orbit on the Space Station (ARTEMOSS) payload launched to the ISS aboard SpaceX-31 on November 4. This space experiment uses Antarctic moss […]
Radiation
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Exoplanets, -moons, -comets, Proxima Centauri, Radiation, Space Weather & Heliophysics, Status Report, Stellar Cartography, TRAPPIST-1
Identifying Flare Locations Through Exoplanet Transit Occultations
M dwarfs are the most common stars in the galaxy, with long lifespans, a high occurrence rate of rocky planets, and close-in habitable zones.
Posted inLife Support Systems, Microgravity, Plant Biology, Radiation, Space Agriculture, Space Life Science, Status Report
Morphological and Photosynthetic Pigment Screening of Four Microgreens Species Exposed to Heavy Ions
Numerous challenges are posed by the extra-terrestrial environment for space farming and various technological growth systems are being developed to allow for microgreens’ cultivation in space.
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Exoplanets, -moons, -comets, Habitable Zones, Missions & Hardware, Press Release, Radiation, Space Weather & Heliophysics, TRAPPIST-1
Parker Solar Probe Has Touched The Outer Reaches Of A Star
Editor’s note: The Parker Solar Probe recently conducted a close fly-by of a star – our sun. This is the closest that any human object has ever gotten to any […]
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Press Release, Radiation, Space Weather & Heliophysics, Stellar Cartography
Sun-like Stars Produce Superflares Roughly Once Per Century
Stellar superflares are energetic outbursts of electromagnetic radiation, similar to solar flares but releasing more energy, up to 1036 erg on main sequence stars.
Posted inAtmospheres, Climate, Weather, Biophysics, Habitable Zones, Press Release, Radiation, Space Weather & Heliophysics, Stellar Cartography
Sun-like Stars Produce Superflares Roughly One Per Century
There is no question that the Sun is a temperamental star, as alone this year’s unusually strong solar storms prove. Some of them led to remarkable auroras even at low […]
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, People Of Astrobiology, Press Release, Radiation, Space Weather & Heliophysics
Sarah Peacock Surveys Stellar Radiation to Hunt for Habitable Worlds
Knowing whether or not a planet elsewhere in the galaxy could potentially be habitable requires knowing a lot about that planet’s sun. Sarah Peacock relies on computer models to assess […]
Posted inAstronomy & Telescopes, Atmospheres, Climate, Weather, Biochemistry & Organic Chemistry, Exoplanets, -moons, -comets, Radiation, Space Weather & Heliophysics, Status Report
Modeling the astrosphere of LHS~1140
The cosmic ray (CR) flux, as well as the hydrogen flux into the atmosphere of an exoplanet, can change the composition of the atmosphere. Here, we present the CR and […]
Posted inBiophysics, Biosignatures & Paleobiology, Genomics, Proteomics, Bioinformatics, Microbiology & Virology, Press Release, Radiation
How Deinococcus radiodurans Withstands Extreme Radiation
Dubbed “Conan the Bacterium” for its extraordinary ability to tolerate the harshest of conditions, Deinococcus radiodurans can withstand radiation doses thousands of times higher than what would kill a human […]
Posted inAstrochemistry, Astrogeology, Biochemistry & Organic Chemistry, Biosignatures & Paleobiology, Comets and Asteroids, Cryobiology, Icy Worlds, Imaging & Spectroscopy, Missions & Hardware, Radiation, Status Report
Ionizing Radiation Exposure On Arrokoth Shapes A Sugar World
The flyby of the New Horizons spacecraft of the Kuiper Belt Object Arrokoth revealed its reddish appearance and unraveled the unexpected presence of a methanol-rich surface.