The flat bags (front) were used to collect lunar rock samples on Apollo 11. The cup-shaped bags (back) are a later design, used on Apollo 15-17, where each bag is numbered and could be held with an extension handle, designed to allow astronauts to collect rocks while riding on a Lunar Rover.
Image Number: 2009-7172
Credit: Image by Eric Long, National Air and Space Museum, Smithsonian Institution
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