Redshifts, Distances, and Look-Back Times Redshift v/c Distance (Mpc) Distance (ly) Look-Back Time (yr)* Age of the Universe** 0.00 0.00 0 0 0 100% 0.05 0.049 222 7.26 x 108 7.08 x 108 93% 0.10 0.095 430 1.40 x 109 1.336 x 109 87% 0.50 0.385 1694 5.52 x 109 4.57 x 109 54% 1.0 0.600 2704 8.82 x 109 6.48 x 109 35% 2.0 0.800 3901 1.27 x 1010 8.10 x 109 19% 3.0 0.882 4616 1.51 x 1010 8.78 x 109 12% 4.0 0.923 5103 1.66 x 1010 9.13 x 109 9% 5.0 0.946 5462 1.78 x 1010 9.35 x 109 7% 6.0 0.960 5742 1.87 x 1010 9.51 x 109 6% 10 0.984 6448 2.10 x 1010 9.75 x 109 3% 100 1.00 8312 2.71 x 1010 1.00 x 1010 ~0% 1000 1.00 8939 2.92 x 1010 1.00 x 1010 ~0% infinity 1.00 9231 3.01 x 1010 1.00 x 1010 0%

*Assuming flat geometry   ** Percentage of age for present Universe when light emitted (flat geometry)