Results 91 to 100 of about 10,692 (216)

The Gannon Storm's Impact on Electric and Magnetic Fields in Italy: A Regional Perspective

Space Weather, Volume 24, Issue 1, January 2026.
Abstract The intense May 2024 geomagnetic storm provided an opportunity to conduct the first analysis of geoelectric hazards in Italy. Data from three geomagnetic observatories and a magnetotelluric station were analyzed to examine the spatiotemporal evolution of storm‐induced variations.
Giulia Pignatiello, Michele De Girolamo, Ivana Ventola, Domenico Patella, Agata Siniscalchi, Paola De Michelis   +5 more
wiley   +1 more source

Hydrogen Lyman-alpha and Lyman-beta radiances and profiles in polar coronal holes

, 2009
The hydrogen Lyman-alpha plays a dominant role in the radiative energy transport in the lower transition region, and is important for the stud- ies of transition-region structure as well as solar wind origin. We investigate the Ly-alpha profiles obtained
Dammasch, Esser, Fontenla, Hui Tian, Jean-Claude Vial, Luca Teriaca, Teriaca, Teriaca, Teriaca, Tian, Warren, Werner Curdt, Xia   +12 more
core   +1 more source

The Chinese Radio Telescope Array for Interplanetary Scintillation Monitoring

Space Weather, Volume 24, Issue 1, January 2026.
Abstract Solar flares, coronal mass ejections (CMEs) and enegertic particles, etc., are the driving sources that may cause catastrophic space weathers. It is desirable to obtain information of solar eruptions like flares and CMEs, etc., propagating from the Sun to the near‐Earth space.
Yihua Yan, Wei Wang, Jin Fan, Ming Xiong, Zhijun Chen, Linjie Chen, Cang Su, Sha Li, Jun Cheng, Jing Du, Xueshang Feng   +10 more
wiley   +1 more source

Energy and Mass Transport Associated with Impulsive Spicular Flows in Solar Coronal Holes

The Astrophysical Journal Letters
How the solar atmosphere is heated from a temperature of about 5000 to 6000 K in the lower atmosphere to about 1–2 MK in the corona has challenged the astrophysical community for nearly 80 yr.
Lei Ni, Jun Lin, Tanmoy Samanta, Guanchong Cheng, Yifu Wang, Robert Erdélyi   +5 more
doaj   +1 more source

Driving Dynamical Inner‐Heliosphere Models With In Situ Solar Wind Observations

Space Weather, Volume 24, Issue 1, January 2026.
Abstract Accurately reconstructing the solar wind throughout the inner heliosphere is essential for understanding solar–terrestrial interactions and improving space‐weather forecasts. Conventional reconstruction methods rely on photospheric magnetic field observations and coronal models to estimate solar wind conditions near the Sun, typically at 0.1 ...
M. J. Owens, L. A. Barnard, H. Turner, D. Gyeltshen, N. Edward‐Inatimi, J. O’Donoghue, M. Lockwood, S. Watson, M. Rutala, C. M. Jackman, P. Riley   +10 more
wiley   +1 more source

Solar activity during Skylab: Its distribution and relation to coronal holes [PDF]

Solar active regions observed during the period of Skylab observations (May 1973-February 1974) were examined for properties that varied systematically with location on the sun, particularly with respect to the location of coronal holes. Approximately 90
Mcintosh, P. S., Smith, J. B., Jr., Speich, D. M., Wilson, R. M.   +3 more
core   +1 more source

Solar Disappearing Filament Inside a Coronal Hole

The Astrophysical Journal, 2002
Based on Yohkoh/SXT, SOHO/EIT images and movies, as well as on Hα, He I 10830 A heliograms and other relevant data, we analyze an event of 1999 December 28, which is interesting in at least two aspects. (1) A major horseshoe-shaped Hα filament appeared to be located within a large transequatorial coronal hole (CH) in the eastern hemisphere.
I. M. Chertok, E. I. Mogilevsky, V. N. Obridko, N. S. Shilova, H. S. Hudson   +3 more
openaire   +1 more source

Biological and Biologically Inspired Functional Nanostructures: Insights into Structural, Optical, Thermal, and Sensing Applications

Advanced Materials, Volume 37, Issue 51, December 23, 2025.
Biological and biologically‐inspired functional nanostructures with structural, thermal, optical, and sensing applications are reviewed. The role of nanoscale features in biological materials on performance is described, and their blueprints are used for bio‐inspired nanomaterials, synthesized using advanced techniques (i.e., photolithography, bio ...
Chao Hsuan (Joseph) Sung, Taige Hao, Herry Fang, Andrew Tran Nguyen, Valentina Perricone, Haitao Yu, Wei Huang, Ezra Sarmiento, Adrian Francisco Duran Ornelas, Derek Lublin, Ric Wehling, Sanaz Farajollahi, Atsushi Arakaki, Dhriti Nepal, Nathan Patrick Lord, David Kisailus   +15 more
wiley   +1 more source

Ion Charge States in the Fast Solar Wind: New Data Analysis and Theoretical Refinements

, 2007
We present a further investigation into the increased ionization observed in element charge states in the fast solar wind compared to its coronal hole source regions.
Hasegawa A., J. Martin Laming, Susan T. Lepri   +2 more
core   +1 more source

Alfvén Waves from Interchange Reconnection at Separators as a Possible Source of Switchbacks

The Astrophysical Journal
Parker Solar Probe has observed Alfvénic fluctuations of amplitude large enough to occasionally reverse the local magnetic field direction—a phenomenon known as a switchback. Some have attributed switchbacks to reconnection in the low corona between open
Dana Longcope, Philip Klaassen
doaj   +1 more source