mamasing

I agree, I heard that astronaut cannot pee or shit while they are in space.
. L& Y. x7 z% k: [0 [* cIt must be a painful joruney.
  b! M4 }; f+ u% j1 WTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
# {  [/ s) n: e3 r- o- DI suggest you pack and pick other subject instead, if you really like Physics, TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。) q1 |$ j) p8 e7 j
you need to switch school.) l- l" D4 f: ^; h# x+ r
There is no 地心引力, but "gravitational" force only.公仔箱論壇/ j( z8 ?: k8 e8 B6 ?
A simple meaning of Gravitational force = the force of attraction between any
$ `1 S" ^2 T: l; f9 D# N9 u: D公仔箱論壇two masses.
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Gosh, I got fooled by my HK Physics teacher many years ago.