[□] □ □ □
[□=□] □ □ □
[□ & □] □ □ □
" These words , first broadcast from the moon , have become some of the most recognizable and memorable sentences spoken in U.S. history . " A short red arrow arced up from the moon , aiming to intercept the shuttles . When this picture was taken the spacecraft was about 10,000 nautical miles from the Moon , after a successful burn of the command / service module main engine to leave lunar orbit . We model both the direct appearance of the night sky and the illumination coming from the Moon , the stars , the zodiacal light , and the atmosphere . During return from the Moon , it was also necessary for one man to get out and return through the CM hatch to retrieve the film and data cassettes from the service module .