Redshift z | s = zc/Ho Mpc | 1 Mpc 3.3 × 106 ly light years | Us/Uo = 1/(z + 1)2 | Us/Uo = (1 − 2z) | cs/co = 1/(z +1) |
< | <43 | <140 Mly | 0.98 - 1.02 | 0.98 - 1.02 | 0.99 - 1.01 |
0.01 | 43 | 140 Mly | 0.98 | 0.98 | 0.99 |
0.05 | 215 | 700 Mly | 0.90 | 0.90 | 0.95 |
0.20 | 860 | 2.8 Bly | 0.69 | 0.60 | 0.83 |
1.0 | 0.25 | 0.50 | |||
5.0 | 0.028 | 0.17 | |||
9.0 | 0.010 | 0.10 |