consolidate 发表于 2025-3-26 22:31:49

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nitroglycerin 发表于 2025-3-27 05:02:12

The Spring Galaxiesore rapid, then gravity’s grip would have no teeth, and all we’d see is an amorphous cloud of gas and dust. Only by expanding at its current rate—neither too fast nor too slow—can a universe with stars, planets and living creatures co-exist.

Shuttle 发表于 2025-3-27 08:36:51

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收集 发表于 2025-3-27 11:24:28

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杀子女者 发表于 2025-3-27 13:46:38

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Fallibility 发表于 2025-3-27 20:24:30

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使成波状 发表于 2025-3-27 23:15:43

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languid 发表于 2025-3-28 05:27:30

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machination 发表于 2025-3-28 06:59:39

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合同 发表于 2025-3-28 14:22:11

https://doi.org/10.1007/978-3-319-50766-8ore rapid, then gravity’s grip would have no teeth, and all we’d see is an amorphous cloud of gas and dust. Only by expanding at its current rate—neither too fast nor too slow—can a universe with stars, planets and living creatures co-exist.
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查看完整版本: Titlebook: Grab ‘n‘ Go Astronomy; Neil English Book 2014 Springer Science+Business Media New York 2014 Astronomical equipment.Astronomy on a budget.O