Quiz: Was This Object Left on the Moon?

A total of 12 astronauts have walked on the Moon since Apollo 11 first touched down in 1969. Like earthbound humans, they left a little clutter behind. Scores of mementos, private possessions, and other objects have remained on the Moon after they made their departure. See if you can guess which of these were left behind and which weren’t in the quiz below.

Not everything deposited on the Moon was for sentimental or patriotic reasons: Astronauts have tossed equipment or spacecraft parts to help reduce the weight of their vessel for the return trip and to permit rock samples to be taken on board without adding excess heft. One abandoned item in particular would prove particularly valuable if it ever returned to Earth—the camera Neil Armstrong used to film both himself and Buzz Aldrin taking humankind’s first-ever steps on the surface for television viewers at home.

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