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 […]
solar flare
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, Habitable Zones, Magnetic Fields, Electromagnetism, bioelectricity,, Press Release, Radiation, Space Weather & Heliophysics
Ancient Wood Hold Clues About Massive Solar Storms
The Northern Lights were visible much farther south than usual this year, and pictures of the colorful hues filled social media. Now, imagine an aurora hundreds of times brighter – […]
Posted inAstronomy & Telescopes, Exoplanets, -moons, -comets, Habitable Zones, Radiation, Space Weather & Heliophysics, Status Report, TRAPPIST-1
An Experimental Study Of The Biological Impact Of A Superflare On The TRAPPIST-1 Planets
In the present study, we conducted experiments to assess the biological effects of high fluences of UV radiation (UVR) on the TRAPPIST-1 planetary system (planets e, f, g within the […]
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 […]