Experiments at Sun-like temperatures show that certain elements absorb more light than solar models predict, creating uncertainties for stellar science.
the Sun
Posted inEditors' Highlights
Looking Away from the Sun: Improved Tracking of Solar Storms
A new tool for tracking coronal mass ejections away from the Sun opens a path toward more accurate warnings for operators who have to cope with adverse space weather.
Posted inNews
Solar Spike Suggests a More Active Sun
Radio waves are providing a new way to probe the Sun and suggest that the magnetic field of its corona may be stronger than long thought.
Posted inNews
Researchers Reproduce Processes Behind Astrophysical Shocks
Studying shock precursors in a laboratory setting enables researchers to take a different look at the precursors’ properties and the physics behind them.
Posted inNews
Moon Sheds Light on Early Solar Spin
Lunar samples reveal that the Sun spun relatively slowly in its first billion years and blasted the Earth and Moon with coronal mass ejections.
Posted inAGU News
Here Comes the Sun
This August, we look at the relationship we have to our closest star for AGU’s Centennial.
Posted inNews
Looking Straight at the Sun
Thanks to some crucial calibrations, the world’s biggest solar telescope will have a clearer view of the Sun.
Posted inNews
Edward L. Chupp (1927–2017)
This pioneer in high-energy solar physics devised instruments for observing solar and cosmic ray emissions with which he detected, for the first time, nuclear gamma rays from solar flares.
Posted inNews
Solar Flare Caused Increased Oxygen Loss from Mars’s Atmosphere
Measurements by a Mars-orbiting spacecraft indicated heating and chemistry changes in the planet’s atmosphere following an extreme solar eruption last year.
Posted inEditors' Highlights
A Survey of Solar Radio Burst Statistics
National solar radio archive records have substantial missing data potentially affecting the ability to benchmark extreme solar events.