mamasing

I agree, I heard that astronaut cannot pee or shit while they are in space.7 @8 w; U! b- h( c% V7 a
It must be a painful joruney.tvb now,tvbnow,bttvb7 F4 D* k% m( a% N4 B7 R
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.公仔箱論壇( T0 a% Q$ P/ g3 r, c# R& n3 s
I suggest you pack and pick other subject instead, if you really like Physics, 公仔箱論壇4 K7 k2 k$ A/ u4 Z7 V& h, Q
you need to switch school.tvb now,tvbnow,bttvb- q7 A9 {, g/ f
There is no 地心引力, but "gravitational" force only.公仔箱論壇: |1 w* _, `0 L# q  v
A simple meaning of Gravitational force = the force of attraction between any
9 B$ Z/ J0 n& F& ]! a' a- gTVBNOW 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。two masses.tvb now,tvbnow,bttvb/ _- S5 h0 U( W1 M! ^7 }) E
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。8 q  R5 q! Z- [6 V$ `% z5 ?& D9 B
Gosh, I got fooled by my HK Physics teacher many years ago.