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Summary
DescriptionBig-rip-proper.png
English: Comoving worldlines (gray dashed), Lightcone rL (orange), Hubbleradius rH (blue), Eventhorizon rE (violet) & Particlehorizon rP (green) in a big rip universe (Ωr+Ωm+ΩΛ=1, Ωk=0). Coordinates: proper distances r by cosmic time t (x=r, y=t). The Ω parameters are like in our universe (Ωm=0.315, ΩΛ=0.685), but under the assumption that the dark energy density increases with the scale factor (here the equation of state is w=-4/3). The big bang is at the bottom of the vertical t axis.
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Captions
Spacetime diagram of a big rip universe, proper distances