File:R vs t.svg

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R_vs_t.svg‎ (SVG file, nominally 1,052 × 744 pixels, file size: 23 KB)

[edit] Summary

Description

Four plots of the universe's length-scale R vs. cosmological time t. Black is the closed Friedmann-Einstein universe (k=1, Λ=0), green is the Einstein-de Sitter universe (k=0, Λ=0), blue is the flat solution with negative cosmological constant (Λ=-1/3, k=0), and red is the same with a positive cosmological constant (Λ=1/2, k=0). For convenient normalization, we take C=2, where C is defined as (8/3)πGρR3.
Date

8 February 2008(2008-02-08)
Source

Own work
Author

WillowW
Permission
(Reusing this image)

See below.

[edit] Licensing

I, the copyright holder of this work, hereby publish it under the following licenses:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".

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Creative Commons license
Creative Commons Attribution		 This file is licensed under the Creative Commons Attribution 3.0 Unported License. In short: you are free to distribute and modify the file as long as you attribute its author(s) or licensor(s).

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File history

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Date/TimeThumbnailDimensionsUserComment
current22:28, 8 February 2008Thumbnail for version as of 22:28, 8 February 20081,052×744 (23 KB)WillowW (Talk | contribs) (Cropped version of same?)
22:21, 8 February 2008Thumbnail for version as of 22:21, 8 February 20081,052×744 (23 KB)WillowW (Talk | contribs) ({{Information |Description=Four plots of the universe's length-scale ''R'' vs. cosmological time ''t''. Black is the closed Friedmann-Einstein universe (''k''=1, Λ=0), green is the Einstein-de Sitter universe (''k''=0, Λ=0), blue is the flat solution w)

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