Results 71 to 80 of about 1,965,723 (227)

STUDY OF SATURN ELECTROSTATIC DISCHARGES IN A WIDE RANGE OF TIME SCALES

Odessa Astronomical Publications, 2013
Saturn Electrostatic discharges (SED) are sporadic broadband impulsive radio bursts associated with lightning in Saturnian atmosphere. After 25 years of space investigations in 2006 the first successful observations of SED on the UTR-2 radio telescope ...
K. Mylostna, V. Zakharenko, A. Konovalenko, V. Kolyadin, P. Zarka, J.-M. Grießmeier, G. Litvinenko, M. Sidorchuk, H. Rucker, G. Fischer, B. Cecconi, A. Coffre, L. Denis, V. Nikolaenko, V. Shevchenko   +14 more
doaj   +1 more source

Ionospheric Mechanisms Leading to Plasma‐Bubble Zonal Drift Reversal and Deformation During the 12 November 2025 Geomagnetic Storm

Space Weather, Volume 24, Issue 10, October 2026.
Abstract We present a multi‐instrument analysis of the ionospheric response to the intense geomagnetic storm of 12 November 2025 over the American sector, with emphasis on the longitudinally asymmetric deformation, latitudinal expansion, and zonal drift reversal of equatorial plasma bubbles (EPBs).
G. A. S. Picanço, I. Galkin, P. Song, E. Astafyeva, L. C. A. Resende, J. P. Marchezi, L. A. da Silva, P. R. Fagundes, C. M. Denardini, C. Martinis, A. M. Santos, V. G. Pillat, A. J. Coster, A. L. Christovam, S. R. Laranja, M. A. M. Lopes   +15 more
wiley   +1 more source

A Self‐Supervised Framework for Space Object Behaviour Characterisation

Expert Systems, Volume 43, Issue 10, October 2026.
ABSTRACT Foundation Models, which leverage large neural networks pre‐trained on unlabelled data before fine‐tuning for specific tasks, are increasingly being applied to specialised domains. Recent examples include ClimaX for climate and Clay for satellite Earth observation, but a Foundation Model for Space Object Behavioural Analysis (SOBA) has not yet
Ian Groves, Andrew Campbell, James Fernandes, Diego Ramírez Rodríguez, Paul Murray, Massimiliano Vasile, Victoria Nockles   +6 more
wiley   +1 more source

Beam Maps of the Canadian Hydrogen Intensity Mapping Experiment (CHIME) Measured With a Drone

IEEE Open Journal of Antennas and Propagation
We present beam measurements of the CHIME telescope using a radio calibration source deployed on a drone payload. During test flights, the pulsing calibration source and the telescope were synchronized to GPS time, enabling in-situ background subtraction
Will Tyndall, Alex Reda, J. Richard Shaw, Kevin Bandura, Arnab Chakraborty, Mark Halpern, Maile Harris, Emily Kuhn, Joshua Maceachern, Juan Mena-Parra, Laura B. Newburgh, Anna Ordog, Tristan Pinsonneault-Marotte, Anna Rose Polish, Ben Saliwanchik, Pranav Sanghavi, Seth R. Siegel, Audrey Whitmer, Dallas Wulf   +18 more
doaj   +1 more source

Variability of Saturn's Equatorial Zonal Winds at Cloud Level Between 2018 and 2025

Geophysical Research Letters, Volume 53, Issue 18, 28 September 2026.
Abstract Saturn's zonal wind profile at cloud level has been measured at different epochs since the Voyager 1 and 2 in 1980–81. At most latitudes, zonal winds change little over time. However, the equatorial region, between planetographic latitudes 10°N and 10°S, presents a complex vertical structure and significant variability.
Aida Flix‐Bellmunt, Agustín Sánchez‐Lavega, Enrique García‐Melendo, Ricardo Hueso, Amy A. Simon, Mike H. Wong, Arnau Miró, Trevor Barry   +7 more
wiley   +1 more source

Simulating Siberian Radioheliograph response to the quiet Sun

Solar-Terrestrial Physics, 2018
The Siberian Radioheliograph (SRH) correlation plot is the time dependence of the sum of absolute values of complex correlations over all baselines. These plots are built for each operating frequency of SRH.
Lesovoi S.V., Kobets V.S.
doaj   +1 more source

Observational Analysis on the Relationship Between Chorus Waves and MeV Microburst Electron Precipitation

Geophysical Research Letters, Volume 53, Issue 18, 28 September 2026.
Abstract Microbursts are thought to be a key contributor to radiation belt electron loss, with chorus waves considered a primary driver of this precipitation. However, the conditions under which chorus waves produce MeV electron loss remain poorly constrained.
Jorge Romero‐Minaya, Lauren W. Blum, Longzhi Gan, Xiao Chen   +3 more
wiley   +1 more source

DETERMINATION OF ANGULAR PARAMETERS OF THE SOURCES OF SOLAR RADIO EMISSION AT DECAMETER WAVELENGTHS

Radio Physics and Radio Astronomy, 2015
Facilities for measurement of angular characteristics of the sources associated with solar radio emission at decameter wavelengths have been developed.
V. A. Shepelev
doaj   +1 more source

Recent advances in multifunctional soft robots: A materials–structures–systems co‐design perspective for synergistic integration

FlexMat, Volume 3, Issue 3, Page 452-501, September 2026.
Abstract Soft robots, engineered from highly compliant materials, offer superior adaptability and safety in unstructured environments compared to their rigid counterparts. Recent advancements, fueled by bio‐inspiration and material programmability, have led to the rapid co‐evolution of their core modules: actuation, sensing, protection, energy, and ...
Qiulei Liu, Zicao Peng, Chong Sun, Haitao Yang   +3 more
wiley   +1 more source

Quasi-tracking solar active regimes with radio telescope ratan-600 and the construction of two-dimensional radio maps of the sun [PDF]

, 2002
We discuss the results of the radio telescope RATAN-600 by “zoned relay” using the conical secondary reflector. Such observations permit the evolution of the radio emission of local solar sources to be studied as well as the construction of the two ...
Zhekanis, G., Bogod, V., Plyaskina, T., Tokhchukova, S., Komar, N., Golubchina, O., Garaimov, V.   +6 more
core   +1 more source