pulmonary-edema
发表于 2025-3-26 20:56:59
Expansion and Gravity,always come to terms with the fact that our bodies are tied to the surface of the Earth and that we can only observe the universe from there, or from its immediate neighbourhood. Actually, in the face of this rather desperate situation, perhaps we ought to give up our struggle to even imagine this i
Serenity
发表于 2025-3-27 04:29:59
The Realm of the Nebulae, velocity with which matter emerged from the initial explosion has determined the structure of space. It has also determined whether our universe is, or is not, closed. But what is the significance of the fact that the expanding material does not fill space uniformly, but instead occurs in clumps th
怎样才咆哮
发表于 2025-3-27 05:21:22
The Radio Sky,th’s atmosphere is transparent. We can be glad of this as otherwise the light from the Sun would not penetrate the atmosphere and reach us on the surface of the Earth. As we have seen in Chap. 2, light is only a certain restricted range of wavelengths out of the whole electromagnetic spectrum. No on
废除
发表于 2025-3-27 11:58:55
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突袭
发表于 2025-3-27 16:23:28
The Intelligent Universe, became transparent. The universe includes us as well, not only because we have been formed from atoms created shortly after the Big Bang, but also because we have started to think about the universe, of which we are such a small part. Apart from us, matter in the universe possibly exists in other f
Mumble
发表于 2025-3-27 20:51:32
The Mysterious Quasars,rld War, was presiding over the conference, to which astrophysicists from all over the world had been invited. The aim was to discuss a sensational discovery, in which Californian astronomers had once more played an important part.
美学
发表于 2025-3-27 23:41:05
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Dorsal-Kyphosis
发表于 2025-3-28 03:56:34
Textbook 1987lanations. I have not struggled to include the very latest, tentative results. I have, instead, concentrated on presenting cosmological ideas to interested non experts. They often encounter considerable difficulties when attempts are made to explain even long-established results in this field, so t
irritation
发表于 2025-3-28 07:24:15
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讲个故事逗他
发表于 2025-3-28 11:54:18
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