Heliospheric imaging data can be used in ensemble modeling of CME arrival time at Earth to improve space weather forecasts, treating the solar wind as a 1-D incompressible hydrodynamic flow.
solar activity
Posted inAGU News
Liu Receives 2019 Fred L. Scarf Award
Terry Zixu Liu received the 2019 Fred L. Scarf Award at AGU’s Fall Meeting 2019, held 9–13 December in San Francisco, Calif. The award is given annually to “one honoree in recognition of an outstanding dissertation that contributes directly to solar–planetary science.”
Posted inNews
Ghostly Particles from the Sun Confirm Nuclear Fusion
Using the Borexino particle detector—located deep underground in Italy—researchers spot elusive neutrinos from the Sun’s CNO cycle.
Posted inResearch Spotlights
How to Improve Space Weather Forecasting
The field of space weather forecasting could take cues from its Earthly counterpart to increase the reliability of models as well as warning times ahead of inbound solar storms.
Posted inEditors' Highlights
Using Earth’s Atmosphere as a Solar Flare Monitor
Measurements of very-low frequency radio signal phase and amplitude can detect upper atmosphere changes caused by solar flares, enabling us to monitor flare occurrence and intensity.
Posted inNews
Ancient Assyrian Aurorae Help Astronomers Understand Solar Activity
Records of aurorae in Mesopotamia from 2,600 years ago are helping astronomers understand and predict solar activity today.
Posted inEditors' Vox
Hearing the Sun Tock
The appearance of sunspots—their number, duration, and location—suggests that the dynamics of the Sun’s outer layer is synchronized with an internal clock.
Posted inNews
Forecasting Solar Storms in Real Time
Predicting when solar storms will hit Earth remains a tricky business. To help, scientists can now submit their forecasts of coronal mass ejections online as they unfold in real time.
Posted inNews
Podcast: Space Weather and Global Policy
In the latest episode of its Centennial series, AGU’s Third Pod from the Sun talks space weather and its influence on global policy with Delores Knipp.
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.