@Impunity: Here is an explanition from Wikipedia:
The astronauts were moving the flag into position. Without air drag,these movements caused the free corner of the flag to swing like a pendulum for some time. A horizontal rod,visible in many photographs,extended from the top of the flagpole to hold the flag out for proper display. The flag's rippled appearance was from folding during storage,and it could be mistaken for motion in a still photograph. The top support rod telescoped and the crew of Apollo 11 could not fully extend it. Later crews preferred to only partially extend the rod. Videotapes shows that when the flag stops after the astronauts let it go,it remains motionless. At one point the flag remains completely motionless for well over thirty minutes.
Behind the gardens...Behind the wall...Under the tree (Including: Red...Dark Blue...Yellow)
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