. . . . . . . . . . . . . "the mass of air surrounding the Earth; \"there was great heat as the comet entered the atmosphere\"; \"it was exposed to the air\""@en-us . . . . . . . . "08499057-n"^^ . . "atmosphere"^^ . . . . "the mass of air surrounding the Earth; \"there was great heat as the comet entered the atmosphere\"; \"it was exposed to the air\""@en-us . . "atmosphere"@en-us . . . . "0"^^ . . "0"^^ . . . . . . . . . . . . "108499057"^^ . . . "air"@en-us . . "107982095"@en-us .