Results 41 to 50 of about 8,745 (214)
Journal of Geophysical Research: Machine Learning and Computation, Volume 3, Issue 3, June 2026.Abstract Recent advances in solar physics increasingly rely on automated identification of coronal structures using machine learning. Yet most studies emphasize scientific performance without evaluating feasibility for onboard deployment to prioritize downlink observations.
P. Gonidakis +11 more
wiley +1 more source
The origin of the reversed granulation in the solar photosphere
, 2006 Aims.We study the structure and reveal the physical nature of the reversed granulation pattern in the solar photosphere by means of 3-dimensional radiative hydrodynamics simulations.
F. Moreno-Insertis +2 more
core +1 more source
A Cosmological Fireball with 16% Gamma-Ray Radiative Efficiency
The Astrophysical Journal Letters, 2023 Gamma-ray bursts (GRBs) are the most powerful explosions in the universe. How efficiently the jet converts its energy to radiation is a long-standing problem, which is poorly constrained.
Liang Li +11 more
doaj +1 more source
Space Weather, Volume 24, Issue 6, June 2026.Abstract Ejections of magnetized plasma from the Sun, known as coronal mass ejections, can drive major geomagnetic activity if Earth‐directed, and are therefore monitored by space weather forecasters. The current focus being the forecast of the arrival time of a coronal mass ejection at Earth and the level of geomagnetic impact.
L. M. Green +7 more
wiley +1 more source
Urbanisation Restructures but Does Not Reduce Freshwater Pond Biodiversity
Diversity and Distributions, Volume 32, Issue 6, June 2026.ABSTRACT Aim Urbanisation is a dominant driver of landscape change leading to widespread displacement, degradation and fragmentation of habitat for native species and numerous studies have documented loss of biodiversity in response. However, most studies focus on a small range of taxa (e.g., vertebrates, plants), leaving many other groups poorly ...
Julia M. Portmann +5 more
wiley +1 more source
Diver photographed from Williamson Photosphere, 1914
, 2014 Native diver underwater photographed from the Williamson Photosphere in the Bahamas, 1914.
core +3 more sources
Extreme Value Analysis of Solar Green‐Line Corona During the Time Interval 1939–2025
Space Weather, Volume 24, Issue 5, May 2026.Abstract Predicting the probability of extreme solar events is critical to understanding how to mitigate risks associated with space weather disasters, as their occurrence can pose a threat to life and infrastructure on Earth or in near‐Earth orbit. In the present study, extreme value theory is applied to the daily modified coronal index (MCI) for the ...
Miao Wan +6 more
wiley +1 more source
Clues to the photosphere emission origin of gamma-ray burst polarization
Astronomy & AstrophysicsContext. Despite more than half a century of research, the dominant radiation mechanism of gamma-ray burst (GRB) prompt emission remains unsolved. Some progress has been made through the analyses of the observational spectra of Swift/BAT, Konus/Wind, and
Meng Yan-Zhi +4 more
doaj +1 more source
CI chondrite Oued Chebeika 002 links asteroids Bennu and Ryugu to common parent body
Meteoritics &Planetary Science, Volume 61, Issue 5, Page 801-818, May 2026.Abstract CI chondrites are a compositionally primitive group of meteorites that have undergone extensive aqueous alteration, providing insights into the evolution of primitive planetesimals. Oued Chebeika 002 is the most pristine CI chondrite to date.
Megan Broussard +11 more
wiley +1 more source