File:Spacetime-diagram-closed-universe-proper-coordinates.png
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Summary
| Description |
English: Lightcone rL (orange), Hubbleradius rH (blue), Particlehorizon rP (green) and maximal separation distance rM (purple) in a closed universe (Ωr=2, Ωk=-1). Coordinates: proper distances r by cosmic time t (x=r, y=t). The lightcone origin is at the turning point at Scalefactor a=√2 when the Hubbleparameter H=0 and the universe is between expansion and contraction. The big bang is at the bottom and the big crunch at the top of the vertical t axis. |
| Date | |
| Source | Own work, relativity.yukterez.net/o/bigcrunch.html |
| Author | Simon Tyran, Vienna (Yukterez) |
| Other versions |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 06:53, 4 January 2025 | | 3,840 × 1,304 (206 KB) | Yukterez | include the maximal separation distance rM=πrk with rk=c/H/√[-Ωk] |
| 07:24, 30 December 2024 |  | 3,840 × 1,304 (209 KB) | Yukterez | minor color corrections | |
| 03:42, 30 December 2024 |  | 3,840 × 1,304 (193 KB) | Yukterez | adjusting the grid | |
| 21:25, 1 December 2024 |  | 3,840 × 1,304 (173 KB) | Yukterez | Uploaded own work with UploadWizard |
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