Results 61 to 70 of about 1,545,217 (255)
A Self-consistent Mechanism for Heating the Solar Magnetic Atmosphere by Kinetic Alfvén Waves
The Astrophysical JournalCoronal heating remains a long-standing problem in solar and astrophysical plasmas. Alfvén waves (AWs) can carry sufficient energy into the solar atmosphere, but how this energy is dissipated into particle heating is not well understood.
L. Xiang +6 more
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Frontiers in Astronomy and Space Sciences, 2022 We report on observations of highly-varying Si IV 1402.77 Å line profiles observed with the Interface Region Imaging Spectrograph (IRIS) during the M-class flare from 18 January 2022 at an unprecedented 0.8 s cadence.
Juraj Lörinčík +10 more
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Causes of atmospheric temperature change 1960-2000: A combined attribution analysis [PDF]
, 2003 We investigate the causes of temperature change over the last four decades, both near the surface and in the free atmosphere, using a coupled atmosphere/ocean general circulation model, HadCM3, which requires no flux correction.
Tett, S. F. B. +2 more
core +1 more source
Solar and Atmospheric Neutrino Oscillations [PDF]
Physica Scripta, 2001 8 pages, LaTeX, 6 figures.
openaire +3 more sources
Formation of Hεin the solar atmosphere
Astronomy & Astrophysics, 2023 Context.In the solar spectrum, the Balmer series line Hεis a weak blend on the wing of Ca IIH. Recent high-resolution Hεspectroheliograms reveal a reversed granulation pattern and in some cases, even unique structures. It is apparent that Hεcould potentially be a useful diagnostic tool for the lower solar atmosphere.Aims.Our aim is to understand how ...
K. Krikova +2 more
openaire +3 more sources
Graded Metallopolymer Structures with Shape‐Memory Abilities via DLP‐Based 3D‐Printing
Advanced Functional Materials, EarlyView.This study presents the digital light processing (DLP) based 3D printing of graded metallopolymers featuring shape‐memory abilities. The permanent shape can be recovered in two distinct steps with excellent rates. The obtained graded prints range from simple rod‐like structures to complex hollow materials.
Michael Klein +6 more
wiley +1 more source
Frontiers in Astronomy and Space Sciences, 2023 In this work we analyze a small B-class flare that occurred on 29 April 2021 and was observed simultaneously by the Interface Region Imaging Spectrograph (IRIS) and the Nuclear Spectroscopic Telescope Array (NuSTAR) X-ray instrument.
Vanessa Polito +8 more
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Visual Observations of the Solar Atmosphere [PDF]
Proceedings of the National Academy of Sciences, 1926 The spectrohelioscope, an instrument for observing the sun in monochromatic light, has been briefly described in a previous article. (1) The same optical parts employed in the preliminary work are now rigidly mounted in a vertical position in my new Solar Laboratory in Pasadena (a branch of the Mount Wilson Observatory).
openaire +2 more sources
Covalent Functionalization of 2D Semiconductors: A Roadmap to Advanced Electronic Devices
Advanced Functional Materials, EarlyView.This Review presents recent advances in the covalent functionalization strategies for two‐dimensional semiconductors and their implementation in modern technologies. Layered materials are modified through diverse molecular chemistries (e.g., thiols, diazonium salts, alkyl halides, and electron‐deficient species) to tailor their surface properties ...
Ramiro Quirós‐Ovies +2 more
wiley +1 more source
Which Solar Latitude Follows the Sunspot Cycle Exactly?
The Astrophysical Journal LettersThe large-scale convection in the Sun known as supergranulation is manifested as a network structure on the solar surface. The network cells have an average lifetime of 24 hr, a size of about 30 Mm, and a lane width of about 6 Mm.
K. P. Raju
doaj +1 more source