Watch footage of the Saturn V launches during Nasa's Apollo programme in the 1960s and 1970s, and one thing that may strike you – even more than the polyester-heavy fashions and retro haircuts – is just how far away the crowds of onlookers are from the main event . There were several good reasons for this, and noise was one of them: loud sounds can kill, and few things built by humans have been as loud as the Saturn V . When Apollo astronauts blasted off on their missions to the Moon, they did so with more than 3.

https://www.bbc.com/future/article/20230306-just-how-loud-is-a-rocket-launch

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