The earth's atmosphere decreases so rapidly in density, that half its mass is within 3 1 / 2 miles above the sea; and at 80 miles high there can be practically no atmosphere.
出自: E. DenisonThe atmosphere of Mars contains about 95 percent carbon dioxide.
出自: B. LovellIt must be..some trick of the atmosphere, the stillness and dryness of the air.
出自: W. Boyd