| [ sciEncE ] in KIDS 글 쓴 이(By): mkjung (Call Me) 날 짜 (Date): 2000년 9월 26일 화요일 오전 08시 16분 21초 제 목(Title): Re: 금성의 기압 2. the molecules consisting of the atmosphere is lighter than that of earth. ---------------- 글쎄요... 압력이란 온도와 분자의 갯수로부터 정해질 뿐 구성 분자들의 질량과는 무관한 거 아닌가요? 1번은 어느 정도 수긍이 가지만 2번에 대해서는 전혀 동의할 수 없는데요. ============== i agree. i think i was confused with density and pressure but..... i can still go with my theory in the following way. ^^ the gravitational force does effect on atomspheric pressure. so the heavier molecules go down and lighter molecules go up. in our earth 1 ATM which is obtained on sea level is essentially determined by the heaviest molecules. now when you go up 100m, the pressure changes although the temperature might not change. that is why when you go up or go down 63building, the ear drum pops. now we may simply takes the temperature the same. then what causes such pressure difference? the only thing effecting is the gravitation. hence the mass of molecules does seem to effect. kiki.... is my argument worng? ^^ |