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

Proper (r) & comoving (R), Plot range: r|R=0...70, t|η=0...70, a=0...5

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 | Crunch | Rip | Radiation | Matter | Milne | Hyper | Λk | ΛCDM

   r(t)

↑ r(t) / ↓ r(a)

   r(a)

↓ r(a) / ↓ R(t)

   R(t)

↑ R(t) / ↓ R(a)

   R(a)

↑ R(a) / ↓ R(η)

   R(η)

↑ R(η) / ↓ f(t)

   f(t)

Static | Crunch | Rip | Radiation | Matter | Milne | Hyper | Λk | ΛCDM

Main |  Code | Info | a, ȧ, ä, ã, â, H, Ḣ, Ḧ, rH, rE, rP, rL, Σr, Ω