Results 1 to 10 of about 9,721 (116)
Magnetic jam in the corona of the Sun [PDF]
Final version published online on 27 April 2015, Nature Physics 12 pages and 8 ...
Chen, F. +3 more
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Corona and XUV emission modelling of the Sun and Sun-like stars [PDF]
The X-ray and extreme-ultraviolet (EUV) emissions from low-mass stars significantly affect the evolution of the planetary atmosphere. However, it is observationally difficult to constrain the stellar high-energy emission because of the strong interstellar extinction of EUV photons.
Munehito Shoda, Shinsuke Takasao
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Evidence for Vortex Shedding in the Sun’s Hot Corona [PDF]
6 pages, Published in PRL, Ref: T. Samanta, H. Tian, and V. M. Nakariakov, Phys. Rev. Lett. 123, 035102 (2019)
Tanmoy Samanta +2 more
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A GENERAL statement of the successes of the Western Eclipse Expeditions on January 1 has already appeared in NATURE. More photographs of the corona were taken than ever before—many of them indifferent and worthless, but an unusually large number of great excellence. The best that I have so far seen were taken with 5-inch telescopes, by Mr. W.
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Discovery of the Sun's million-degree hot corona [PDF]
As time goes by, discoveries become common knowledge, and often the person who first changed a paradigm gets forgotten. One such case is the discovery that the Sun’s corona is a million degrees hot – much hotter than its surface. While we still work on solving how the Sun heats the corona, the name of the discoverer seems to be forgotten.
Peter, H., Dwivedi, B.
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EVIDENCE FOR WAVE HEATING OF THE QUIET-SUN CORONA
Submitted to the Astrophysical ...
Hahn, Michael, Savin, Daniel Wolf
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The Bakerian lecture.―On the corona of the Sun [PDF]
Abstract The sun is the only star the corona of which we have been able to observe, for all other stars are too distant to give true images in the telescope. If the sun were removed to a distance equal to that of the nearest star, its disk would subtend less than the one-hundredth of a second of arc. We have also to consider the small
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CORONAS-F observations of active phenomena on the sun
Abstract Complex observations in the framework of the CORONAS-F Mission aimed at the study of active phenomena inthe solar corona are described. The main features are given for the following experiments: (1) XUV-imaging spectroscopy with high temporal and spatial resolution, (2) X-ray spectroscopy, (3) X-ray and gamma-ray photometer/spectrometer, and
V.N. Oraevsky +9 more
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Outflow from the sun's polar corona
New observations of systematic Doppler shifts of EUV resonance lines formed both in the low corona and transition region are reported. They were made with an improved, high-resolution, stable, rocket-borne spectrometer flown on 1981 November 23. The chord of the solar disk scanned by the spectrometer crossed the north polar cap hole and its low ...
F. Q. Orrall +2 more
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