1 Greek Mythology a god, son of Zeus and Leto and brother of Artemis. He is associated with music, poetic inspiration, archery, prophecy, medicine, pastoral life, and the sun.
2the American space programme for landing astronauts on the moon. Apollo 8 was the first mission to orbit the moon (1968), Apollo 11 was the first to land astronauts (1969), and five further landings took place up to 1972.
