mamasing

I agree, I heard that astronaut cannot pee or shit while they are in space.
+ A+ f* k! j# s/ w9 H/ V' _. X5.39.217.77It must be a painful joruney.
* L9 J! \: E! C1 X5.39.217.77Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
% T, X/ o% y, L. \6 W  N! ztvb now,tvbnow,bttvbI suggest you pack and pick other subject instead, if you really like Physics, 公仔箱論壇( Z+ I8 ~+ i4 _$ d8 Q7 _
you need to switch school.公仔箱論壇4 ~# Y' Y, M6 @. h) Q" {+ c' F
There is no 地心引力, but "gravitational" force only.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。% M$ e5 a6 K4 g1 \
A simple meaning of Gravitational force = the force of attraction between any 公仔箱論壇7 K9 h/ `9 i% C3 m
two masses.
/ t6 a7 M9 i7 e4 e1 v  A公仔箱論壇1 b' z, P  v  M
Gosh, I got fooled by my HK Physics teacher many years ago.