The crowd-pleaser has enough ambition to pitch a one-size-fits-all philosophy based on the Apollo crew's revelation that looking down from space, our problems seem trivial.

Respectful, enthusiastic and occasionally rather touching as the men, now in their seventies, recall how it felt up there. Yet the really important question never gets asked: what was it all for?

The shots of the Moon, even after so many effects-heavy studio films have tried to recreate the look, are uncanny.

A captivating and revelatory experience from beginning to end.