TIL that not only has it been more than fifty years since a person last set foot on the moon, the entire period of crewed missions to the lunar surface only lasted three and a half years.

https://en.wikipedia.org/wiki/Apollo_program
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1gj5c18/til_that_not_only_has_it_been_more_than_fifty/