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发表于 2025-3-23 12:19:55
Auroral Forecasting,tanding of how they are caused means that major, extensive auroral events can also be forecast with better accuracy, enabling would-be observers to get themselves out from under urban light pollution to locations with clear dark horizons for optimal viewing.
Cervical-Spine
发表于 2025-3-23 17:06:26
Aurora Elsewhere, of the other major planets of the Solar System also have their own auroral signatures. Observation of these is beyond amateur means, but it is of interest to compare the aurorae that occur at, say, Jupiter and Saturn, with that of our homeworld.
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发表于 2025-3-23 18:11:26
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TAIN
发表于 2025-3-24 01:01:03
Book 2007equent visitor to the night sky. Major displays visible to the southern United States or the south of England occur perhaps 20 times in each 11-year sunspot cycle. When they occur, such auroral storms are a source of great interest and excitement...A number of books highlighting the impact of aurora
商谈
发表于 2025-3-24 05:59:05
Wei Zhang,Edward G. Dudley,Joseph T. Wadeatitudes: during these events, observers in Alaska or Canada, for example, will see the aurora brighten and become more active. Even at times when the Sun appears relatively inactive, variations in the solar magnetic field—particularly those associated with the so-called coronal holes—can trigger mi
maroon
发表于 2025-3-24 06:32:20
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HATCH
发表于 2025-3-24 11:46:21
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Morphine
发表于 2025-3-24 18:06:48
Book 2007anada, and Scotland, for example) are also covered in detail. Visual and photographic (chemical and digital) observations are most usual, but magnetic and radio recording of auroral effects is possible too...While the principal aim of the book is to describe the aurora from the amateur observational
规章
发表于 2025-3-24 22:50:07
Atmospheric Phenomena,North America. On this occasion, the planets Mars, Saturn, and Jupiter would form a neat grouping in the western sky together with the waxing crescent Moon in the growing twilight. Such conjunctions, when members of the Solar System are seen relatively close together in line of sight, are not especi
影响带来
发表于 2025-3-25 02:35:43
Causes of the Aurora,f tenuousatmospheric oxygen and nitrogen by electrons accelerated in near-Earth space under conditions where the magnetosphere—the volume of space in which terrestrial magnetism has a dominant influence—becomes disturbed. Geographically, the aurora is ever-present in two oval regions, one surroundin