GRACE
发表于 2025-3-23 11:42:59
The Height of the Twilight Ray,on of the sinking of the sun. This was first demonstrated by V. G. Fesenkov and later examined in detail by N. M. Shtaude . The thickness of the layer that determines the main flow of scattered radiation is not great, so in the first approximation the layer is often replaced by a single ray (
骚动
发表于 2025-3-23 16:16:21
Evaluating the Dust Component of the Upper Atmosphere by the Twilight Method,ndard atmospheres, summarizing the results of studies of structure and composition, give densities, pressures, temperatures, molecular weights, and other structural parameters up to very high altitudes for a great variety of geophysical conditions: time of day, season, solar cycle, etc. Other atmosp
踉跄
发表于 2025-3-23 19:24:58
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Astigmatism
发表于 2025-3-23 23:27:41
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KEGEL
发表于 2025-3-24 03:10:15
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暖昧关系
发表于 2025-3-24 07:03:43
Funktionen von mehreren VeränderlichenOptical instability of the earth’s atmosphere impairs the quality of photographs of astronomical objects. One method of improving image quality is to photograph during periods of relative atmospheric quiet.
Thymus
发表于 2025-3-24 13:11:10
https://doi.org/10.1007/978-3-0348-4119-1Studies of atmospheric transmittance and scattered-light intensity make it possible to establish relationships among certain optical parameters. These relationships can then be used in solving a number of applied problems.
BALK
发表于 2025-3-24 15:23:54
https://doi.org/10.1007/978-3-8348-2340-3The brightness of the sky on the solar almucantar is chiefly determined by the following parameters : the solar zenith distance z., the optical thickness of the atmosphere .. and the albedo of the underlying surface q, and it is greatly dependent upon the form of the scattering indicatrix.
prosthesis
发表于 2025-3-24 21:11:47
Konstruktion analytischer Funktionen,Twilight phenomena are very complex, since the brightness observed at any point in the sky is the sum of the brightnesses of the primary twilight segment and of higher-order scattering, to which, when the sun has sunk sufficiently below the horizon, we must add the background of the night sky — primarily zodiacal light.
托运
发表于 2025-3-24 23:49:53
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