Outwit
发表于 2025-3-28 15:35:05
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Bronchial-Tubes
发表于 2025-3-28 20:24:38
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北京人起源
发表于 2025-3-29 00:54:45
,Composition in Halley’s Comet: Clues to Origin and History of Cometary Matter, found in the smaller objects of the solar system. We present estimates for molecular and elemental abundances in the material released by Halley’s comet. They are based on data of the gas and dust composition in the coma. Highly volatile material is very abundant, consistent with condensation and a
轻快走过
发表于 2025-3-29 05:08:07
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Engaged
发表于 2025-3-29 10:14:53
Chemistry of Circumstellar Shells, for their chemistry, and the observed molecular abundances. The discussion of the chemistry of layers just above the photosphere is very difficult because of their complexity. Modeling of radical and ion photochemistry is now successful in accounting for the observed species, often complex, observe
CRUE
发表于 2025-3-29 13:33:04
Interstellar Molecular Formation Processes,bsorption and scattering of visible radiation as well as from emission at longer wavelengths. In particular, radioastronomical and, to a lesser extent, infrared observations have helped to uncover the existence of vast interstellar clouds of gaseous and particulate matter, with most of the matter (≈
激怒
发表于 2025-3-29 16:08:03
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刺激
发表于 2025-3-29 20:17:42
Chemical Composition and Ionisation States of the Solar Wind Plasma as Characteristics of Solar Phe of genuine solar material important clues about our heliosphere and its history as well as about “our” star in relation with other stars may be found. However, there is still an embarrassing scarcity of conclusive data, because of problems not only with instrumentation but also with data interpreta
cluster
发表于 2025-3-30 03:14:56
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Munificent
发表于 2025-3-30 07:52:31
Molecular Clouds in the Milky Way: the Columbia-Chile CO Survey and Detailed Studies with the KOSMAnd square degrees was completed less than one year ago by DAME et al. . Two 1.2m radio telescopes, one located in New York City, the other in Chile, were used to sample about 7700 deg. with the angular resolution degraded to 0.5° in order to cover large areas quickly. Other surveys used significa