This is a prototype Lunar Module nose hatch. When docked to the Command Module, astronauts would go through this open hatch to move between the ships.
Jurvetson says the final hatches were completely round, with no flat spots. He says that in early tests, NASA found that astronauts' big life-support backpacks could get hung up on the indent.
February 7, 2012 3:59 AM PST
Photo by: Rafe Needleman/CNET
| Caption by: Rafe Needleman
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