驾驶
发表于 2025-3-26 22:38:31
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Absenteeism
发表于 2025-3-27 02:43:31
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overhaul
发表于 2025-3-27 05:39:56
Constantinos Frangos PhDre parameters, such as the local mass density. At present, masses can be derived directly only for stars in binary systems with well-determined orbits, although microlensing projects may offer additional data in the future. Those stars are used to calibrate empirical mass-luminosity relationships, w
Aqueous-Humor
发表于 2025-3-27 09:44:16
Constantinos Frangos PhDr techniques, such as photometric transit and microlensing surveys, have recently started to contribute to the planetary census. With ∼130 host systems currently known, it is clear that the mass distribution of these very-low mass companions is not an extension of the mass function of stellar/brown
ALOFT
发表于 2025-3-27 16:13:12
Constantinos Frangos PhDn their higher-temperature counterparts, recent theoretical work, both on the atmospheres and on the internal structure, combined with the availability of better data, have opened the way to more quantitative analysis. Abundances can be estimated, both from the location of stars in the H-R diagram a
被告
发表于 2025-3-27 18:35:04
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Mets552
发表于 2025-3-28 01:41:44
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美食家
发表于 2025-3-28 02:07:09
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子女
发表于 2025-3-28 06:55:39
Constantinos Frangos PhD?‘ This happens to be a question which has exercised the intellectual skills of many astronomers over the course of most of the last century, including, for the last two decades, one of the authors of this text. Until recently, the most accurate answer was ‘We are not certain, but there is a good ch
环形
发表于 2025-3-28 11:57:57
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