Redshifts, Distances, and Look-Back Times

Redshift

v/c

Distance

(Mpc)

Distance

(ly)

Look-Back

Time (yr)*

Age of the

Universe**

0

0

0

0

0

100.00%

0.05

0.049

222

7.26 x 108

7.08 x 108

93.00%

0.1

0.095

430

1.40 x 109

1.336 x 109

87.00%

0.5

0.385

1694

5.52 x 109

4.57 x 109

54.00%

1

0.6

2704

8.82 x 109

6.48 x 109

35.00%

2

0.8

3901

1.27 x 1010

8.10 x 109

19.00%

3

0.882

4616

1.51 x 1010

8.78 x 109

12.00%

4

0.923

5103

1.66 x 1010

9.13 x 109

9.00%

5

0.946

5462

1.78 x 1010

9.35 x 109

7.00%

6

0.96

5742

1.87 x 1010

9.51 x 109

6.00%

10

0.984

6448

2.10 x 1010

9.75 x 109

3.00%

100

1

8312

2.71 x 1010

1.00 x 1010

~0%

1000

1

8939

2.92 x 1010

1.00 x 1010

~0%

infinity

1

9231

3.01 x 1010

1.00 x 1010

0.00%