novelty
发表于 2025-3-23 12:14:07
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Picks-Disease
发表于 2025-3-23 15:52:29
https://doi.org/10.1007/978-3-030-35191-5the intergalactic gas. Star formation takes place in dense regions of the interstellar gas. To complicate matters further, it is certain that dark matter is present in galaxies and in clusters of galaxies and the dynamics of galaxies are largely dominated by this invisible dark component. Its nature is, however, unknown.
Mosaic
发表于 2025-3-23 20:08:33
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transplantation
发表于 2025-3-24 00:25:12
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GOAT
发表于 2025-3-24 04:12:10
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Offbeat
发表于 2025-3-24 09:36:57
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Ccu106
发表于 2025-3-24 12:44:18
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hardheaded
发表于 2025-3-24 18:11:37
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construct
发表于 2025-3-24 21:37:11
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excursion
发表于 2025-3-25 02:35:53
https://doi.org/10.1007/978-3-030-50270-6fluid moves along streamlines in the universal expansion and so behaves like a perfect fluid for which the energy–momentum tensor is given by the T. of (6.33). .– General Relativity, which enables us to relate the energy–momentum tensor to the geometrical properties of space–time through (6.47) or (6.48).