. . . "106270582"@en-us . "outer space"@en-us . "outer space"^^ . . . "any location outside the Earth's atmosphere; \"the astronauts walked in outer space without a tether\"; \"the first major milestone in space exploration was in 1957, when the USSR's Sputnik 1 orbited the Earth\""@en-us . . . . . . "108500433"^^ . . "0"^^ . . . . "107983361"@en-us . . . . . "space"@en-us . . "0"^^ . "08500433-n"^^ . . . . . . .