It has been not quite a half-century since human beings stepped foot on another planetary body for the first time.

Forty-nine years ago today, to be exact.

It was on July 20, 1969 when Neil A. Armstrong, Commander of the Apollo 11 mission, descended the steps of the Lunar Module and upon reaching the surface uttered these instantly famous words: “That’s one small step for a man, one giant leap for mankind.” (Btw, if you think he didn’t actually say “a man,” thereby committing a grammat