Evolution of the cosmic horizons in a matter dominated universe (Ωm=1)

in proper (r) & comoving (R) distances. Plot range: r|R=0…70, t|η=0…70

If H=67.15 at a=1, the age of this universe at a=1 would be t=9.707543

The Hubbleradius rH grows with 1.5c and the Particlehorizon rP with 3c

Gray dashed curves: worldlines of objects comoving with the Hubbleflow

⎆ | Static | Big Crunch | Big Rip | Radiation | Matter | Milne | Mixed

   r(t)

↑ r(t) / ↓ R(t)

   R(t)

↑ R(t) / ↓ R(η)

   R(η)

[Main]¦[Code]     Index: a, ȧ, ä, ã, â, H, Ḣ, Ḧ, rH, rE, rP, rL, Σr, Ω