"The Blue Marble" is a famous photograph of the Earth taken on December 7, 1972, by the crew of the Apollo 17 spacecraft en route to the Moon at a distance of about 29,000 kilometres (18,000 mi). It shows Africa, Antarctica, and the Arabian Peninsula.

NB. The French Wikipedia site gives a distance of 45,000km.

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NASA/Apollo 17 crew; taken by either Harrison Schmitt or Ron Evans