占线
发表于 2025-3-28 18:26:46
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表状态
发表于 2025-3-28 18:53:56
Index for 2.2 (System No., References),eneous cosmological models. Also presented are the reaction rates associated with these new reactions, the use of these rates may help remove the ambiguity of whether results reported by different groups are, to some extent, an artifact of the different reaction networks employed. It is stressed tha
在驾驶
发表于 2025-3-29 00:40:05
Index for 2.2 (System No., References),blem of interpreting the observed abundances in Population II subdwarfs of extremely low metallicity, ≤ -1.4, is analyzed. The dependence of [.Li/H] on lends support to a primordial value for logN(.Li) close to 2.2, on the conventional scale where logN(H)≡12. In the second section recen
DIKE
发表于 2025-3-29 05:10:44
Anaximander: A Survey of His Ideasr formation considerations, including the nature of the initial stellar mass function both at present and in the past, and the rate of star formation in various types of galaxies. A protogalaxy model is presented, and I describe alternative schemes for forming halos of baryonic dark matter in the fo
子女
发表于 2025-3-29 10:59:02
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Lumbar-Spine
发表于 2025-3-29 14:37:49
Index for 2.1 (System No., References),heoretically calculated within models of Galactic evolution. Depending on the details of these models the invisible mass fraction in the solar neighbourhood is of the order of 2 ... or 4% of the dynamical mass. A redetermination of the white dwarf birth rate yields a somewhat higher value than currently assumed.
歪曲道理
发表于 2025-3-29 18:03:47
Index for 2.1 (System No., References),cal luminosity functions for both disk and halo white dwarfs, based on those diagrams, are then described. We conclude that faint, still undetected white dwarfs are unlikely to be major contributors to baryonic dark matter, neither in the disk nor in the halo of the Galaxy.
Angioplasty
发表于 2025-3-29 21:06:35
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ANTH
发表于 2025-3-30 02:13:23
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匍匐前进
发表于 2025-3-30 05:10:02
Low-Mass Stars and Brown Dwarfs,d theoretical progress been made in understanding the nature of these objects. With the advent of more powerful instruments such as the Hubble Space Telescope, a wealth of new observational information will be forthcoming. Thus it is imperative that refinements to theoretical models keep pace with t