June 9, 2023
sprep-pa
The real payoff from the Apollo missions had nothing to do with the moon. The prize was travelling far enough out into space to look back properly at planet Earth. Those two unforgettable images – Earthrise and Blue Marble – showed us our fragile and precious planet, defined by its blue. Since then, we’ve talked proudly about our “blue planet” but without thinking any further about what that blue actually is.
