TINGE 发表于 2025-3-21 16:55:09

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谈判 发表于 2025-3-21 23:19:49

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CLOT 发表于 2025-3-22 01:47:50

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commute 发表于 2025-3-22 05:06:45

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B-cell 发表于 2025-3-22 09:47:22

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刺耳 发表于 2025-3-22 16:53:42

Fehlerhafte Aggregation im Experiment,We include in this chapter those subjects which are complementary to the main text. Some of the references are found at the end of the chapters which are complemented.

刺耳 发表于 2025-3-22 19:36:32

Normal Galaxies,The purpose of any classification system is to provide for a deeper understanding of the intrinsic properties of the classified objects.

nullify 发表于 2025-3-23 00:44:23

Measuring the Universe,The lines of the optical spectra of galaxies show a shift towards the red side which increases with the decreasing apparent brightness (Hubble’s law). The facts seem to be consistent with the idea that the galaxies recede with velocities proportional to their distances.

antiquated 发表于 2025-3-23 03:38:16

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捏造 发表于 2025-3-23 09:29:20

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查看完整版本: Titlebook: Extragalactic Astronomy; Lecture notes from C J. L. Sérsic Book 1982 D. Reidel Publishing Company, Dordrecht, Holland 1982 Accretion.Galaxy