斗志
发表于 2025-3-30 09:49:00
https://doi.org/10.1007/978-3-8351-9227-0 A concentration of galaxies, apparently coincident with 2151–5805 on the sky, is found to lie in the background at a higher redshift, illustrating how the knowledge of redshifts can resolve structure in three dimensions. Much faster and more objective automatic methods of determining the redshifts are currently being developed.
冬眠
发表于 2025-3-30 12:26:00
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ATRIA
发表于 2025-3-30 17:03:32
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真实的人
发表于 2025-3-31 00:46:07
The Spatial and Peculiar Velocity Distribution of Galaxies within 80 MPC,vertically through Figure 1. The other empty zone is caused by the gap in the catalogues between declinations −17°.5 to −2°.5. The 2-dimensional distribution in Figure 1 gives a strong visual impression of filamentary structure on angular scales up to a radian and more.
Generic-Drug
发表于 2025-3-31 03:58:46
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ciliary-body
发表于 2025-3-31 07:16:51
Kurt Magnus,Karl Popp,Walter Sextronly composed of spirals. The possible connection of a cloud of galaxies surrounding the cluster A569, the new filament in Gemini and the Linx-Ursa Major supercluster with the Perseus supercluster is briefly discussed.
majestic
发表于 2025-3-31 09:15:33
A Redshift Survey in the Linx Gemini Region,nly composed of spirals. The possible connection of a cloud of galaxies surrounding the cluster A569, the new filament in Gemini and the Linx-Ursa Major supercluster with the Perseus supercluster is briefly discussed.
EVADE
发表于 2025-3-31 15:17:17
Superclusters,dimensions ranging from tens of kiloparsecs to hundreds of Megaparsecs. The rich clusters may be the largest bound structures. The superclusters look largely unrelaxed: they have rarely a well-defined centre; their relatively small internal random motions indicate crossing times along the larger dia
fatty-acids
发表于 2025-3-31 21:12:20
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Embolic-Stroke
发表于 2025-3-31 21:55:58
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