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True map of the visible universe?
Is this picture a true map of the visible universe?
http://www.atlasoftheuniverse.com/universe.html It does seem to show the Horlogium, Virgo, and Shapley superclusters in the center (in diagonally upward line,) at least if you carefully compare it with the next zoom-in level. But the fact that you see them would mean that it is more like a half sphere, where we look onto the cutting plane, or perhaps even just a slice of the total cosmic web (since the foreground would most likely obscure our Virgo supercluster if all was included!) I'm asking because of all those things to be sorted out about the observable universe (and the rest) discussed here recently. In particular: if I copy this to my smart phone, and also carry a towel of course, will that always allow me to find my way home?! -- Jos [Mod. note: looks like the various views are intended to be a 2D projection of the contents of a 3D sphere of the radius given in each case, with the plane shown being the plane of the Milky Way. -- mjh] |
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True map of the visible universe?
On 7/19/2014 4:31 PM, the moderator wrote in a comment on Jos
Bergervoet's posting: [Mod. note: looks like the various views are intended to be a 2D projection of the contents of a 3D sphere of the radius given in each case, with the plane shown being the plane of the Milky Way. -- mjh] Yes, that certainly seems to be the case for the other zoom levels. If this was done for the largest scale as well, then it would be accidental that the central part looks a bit like our super-cluster neighborhood. There should in that case be dozens of other super-clusters behind and in front of us showing up in this region of the image. Perhaps the creator can tell us! (Richard Powell, the question now Cc to his email.) -- Jos |
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