5
The Scale of the Cosmos
Zoom outward in steps of 100
52 ft =
16 meters
1.6 km
1.6 ´ 102 km
1.6 ´ 104 km
1.6 ´106 km
1.6 ´108 km =
1.1 AU
1.6 ´ 1010 km = 1.1´ 102 AU
1.6 ´ 1012 km = 1.1´ 104 AU
1.6 ´ 1014 km = 1.7 ´ 101  ly
1.6 ´ 1016 km = 1.7 ´ 103  ly
1.6 ´ 1018 km = 1.7 ´ 105  ly
1.6 ´ 1020 km = 1.7 ´ 107  ly
1.6 ´ 1022 km = 1.7 ´ 109  ly
Light takes 1.7 billion years to cross this box.

We don’t show a next step because it would light to take 170 billion years to cross that box, longer than the age of the universe.
(From our Text:  Horizons, by Seeds)