TIL that if Apollo 11 had failed to land on the Moon, Apollo 12 was prepared to launch just 2 months later. However, with the success of Apollo 11, the time between launches was extended to 4 months with Apollo 12 landing on the moon November 19, 1969.

https://en.wikipedia.org/wiki/Apollo_12
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1gvcen9/til_that_if_apollo_11_had_failed_to_land_on_the/