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3. OTHER WAY TO LOOK AT IT: [[image]] HORIZONTAL VELOCITY COMPONENT LARGE ENOUGH THAT YOU FALL "OVER THE EDGE" IN ORBIT, YOU'RE IN FREE-FALL ... BUT HORIZONTAL VELOCITY IS ENOUGH THAT YOU DON'T HIT FREE-FALL ... JUST LIKE FALLING ELEVATOR -> SO "WEIGHTLESS" DOESN'T MEAN YOU'RE AWAY FROM GRAVITY ("ZERO-G" IS BAD NAME) [[PLBD?]]/CREW MODULE [SLIDES: [[PAM-D?]], ETC EARTH OBS