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extravehicular activity backpack
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Close-up of crocodile eye; location unknown (rainforest, reptile).
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The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)
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The Lost Colony of Roanoke, North Carolina, where 115 people mysteriously disappeared c. 1590. John White discovers the word Croatoan carved onto a tree upon his return to the deserted Roanoke Colony in 1590
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Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)
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The Castillo, a Toltec-style pyramid, rises 79 feet (24 meters) above the plaza at Chichen Itza in Yucatan state, Mexico. The pyramid was built after invaders conquered the ancient Maya city in the tenth century.
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Town of Sisimiut located on the coast of the Davis Strait on Kangerluarsunnguaq Bay, Greenland
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Encyclopaedia Britannica First Edition: Volume 1, Plate XXXVIII, Figure 2, Ark, Ark of the Covenant, a small chest, coffer, contains Aaron's rod, manna pot, tables of covenant, Schechinah, Divine Presence, oracle, shittim-wood, acacia tree
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extravehicular activity backpack

Also known as: EVA backpack

Learn about this topic in these articles:

life-support system

  • In life-support system

    …are the pressure suits and extravehicular activity (EVA) backpacks (i.e., portable systems that contain cooling fluid, oxygen flow and recirculation equipment, waste containment unit, power source, and communications apparatus) worn by astronauts when working outside of their spacecraft; the self-contained underwater breathing equipment (scuba gear) used by divers; and the…

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