LOPE
发表于 2025-3-26 22:21:08
art is an excellent and profound discussion of the fundamental problems of cosmology. For anyone with a philosophical turn of mind this section alone makes the book essential reading." Nature978-3-540-16922-2978-3-642-71464-1
subacute
发表于 2025-3-27 04:12:29
Introductiontheir distance. Therefore, this is neither a local phenomenon nor a random statistical event. The . Universe expands, all the galaxies go away from each other with enormous velocities which, at large distances, approach the speed of light. The discovery verified some of the most daring predictions of Einstein’s general theory of relativity.
男生如果明白
发表于 2025-3-27 07:54:53
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kindred
发表于 2025-3-27 10:58:25
Book 1987smology, provides a good account of modern theoretical ideas, from rotating black holes to Grand Unified Theories and inflation. The third part is an excellent and profound discussion of the fundamental problems of cosmology. For anyone with a philosophical turn of mind this section alone makes the book essential reading." Nature
不妥协
发表于 2025-3-27 15:58:34
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环形
发表于 2025-3-27 21:34:25
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CRUDE
发表于 2025-3-28 00:21:01
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grudging
发表于 2025-3-28 02:43:33
Galaxies and Clusters of Galaxiesactic nebulae” because they look like faint nebulae when seen through small telescopes. Consequently they were initially given names such as the “Magellanic Clouds”, the “Andromeda nebula” and so forth.
Ostrich
发表于 2025-3-28 08:15:06
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atrophy
发表于 2025-3-28 13:39:50
Introduction to the Study of the Universecal knowledge. At the beginning of the last century, the german astronomer . posed the following question: “Why is the night sky dark?” The answer to this question appears simple at first sight: “because there are not enough stars in the sky and therefore there are gaps between the stars”. This answ