A fleeting visit of the ESA/JAXA BepiColombo mission to Venus has revealed surprising insights into how gases are stripped away from the upper layers of the planet’s atmosphere.
space weather
Posted inAstronomy & Telescopes, Epsilon Eridani, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Interstellar, Press Release, Radiation, Space Weather & Heliophysics, Stellar Cartography
Stellar Winds Of Three Sun-like Stars Detected For The First Time
An international research team led by a researcher from the University of Vienna has for the first time directly detected stellar winds from three Sun-like stars by recording the X-ray […]
Posted inBiophysics, Biosignatures & Paleobiology, Extinction events, Press Release, Radiation, Space Weather & Heliophysics
Earth Life Records Its Local Star’s Space Weather: Carrington Event
A research group coordinated by the University of Helsinki was able to measure a spike in radiocarbon concentration of trees in Lapland that occurred after the Carrington flare. This discovery […]
Posted inAtmospheres, Climate, Weather, Exoplanets, -moons, -comets, Habitable Zones, Space Weather & Heliophysics, Status Report, Stellar Cartography
Principles Of Heliophysics: A Textbook On The Universal Processes Behind Planetary Habitability
Heliophysics is the system science of the physical connections between the Sun and the solar system. As the physics of the local cosmos, it embraces space weather and planetary habitability.
Posted inHabitable Zones, Radiation, Space Weather & Heliophysics, Status Report
Transition To A Weaker Sun: Changes In The Solar Atmosphere During The Decay Of The Modern Maximum
The Sun experienced a period of unprecedented activity during the 20th century, now called the Modern Maximum (MM). The decay of the MM after cycle 19 has changed the Sun, […]
Posted inAtmospheres, Climate, Weather, Biogeochemical Cycles & Geobiology, Biosignatures & Paleobiology, Exoplanets, -moons, -comets, Habitable Zones, Microbiology & Virology, Press Release, Proxima Centauri, Radiation, Space Weather & Heliophysics, TRAPPIST-1
How Habitable are M-dwarf Exoplanets?
How Habitable are M-dwarf Exoplanets? Modeling Surface Conditions and Exploring the Role of Melanins in the Survival of Aspergillus niger Spores Under Exoplanet-like Radiation
Posted inExoplanets, -moons, -comets, Habitable Zones, Press Release, Radiation, Space Weather & Heliophysics
Extreme Eruption on Young Sun-like Star Signals Savage Environment for Developing Exoplanets
Astronomers have detected an extreme eruption from a young star that became more than a hundred times brighter in only a few hours.
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Space Weather & Heliophysics, Status Report
Quantifying The Effect of Short-timescale Stellar Activity Upon Transit Detection in M Dwarfs
M dwarf stars comprise 70-80% of the galaxy’s stars and host most of its rocky planets. They also importantly differ from Sunlike stars in that they are “active” for billions […]
Posted inAstrochemistry, Astronomy & Telescopes, Biosignatures & Paleobiology, Brown Dwarfs, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Press Release
Atmospheric Methane Found On Brown Dwarfs W1935 And W2220
Astronomers used the NASA/ESA/CSA James Webb Space Telescope to study 12 cold brown dwarfs. Two of them – W1935 and W2220 – appeared to be near twins of each other […]
Posted inArtemis & Lunar Exploration, Astrochemistry, Astrogeology, Moon, Press Release, Space Weather & Heliophysics
Hydrogen Detected In Lunar Samples
U.S. Naval Research Laboratory (NRL) researchers have discovered solar-wind hydrogen in lunar samples, which indicates that water on the surface of the Moon may provide a vital resource for future […]