mamasing

I agree, I heard that astronaut cannot pee or shit while they are in space.
! f3 ^' h) O' K0 [; d' IIt must be a painful joruney.
2 [3 y& r# {; t/ N& z% i2 t5 C( ~Oh BTW, if your lecturer talks about "地心引力" in your Physics class.1 a) F# `- x8 O/ V
I suggest you pack and pick other subject instead, if you really like Physics, 4 w5 j7 R' J( f4 ^4 w% p2 W$ u
you need to switch school.tvb now,tvbnow,bttvb  j7 D" f3 W, s& B$ U, t, W' z
There is no 地心引力, but "gravitational" force only.tvb now,tvbnow,bttvb" u- {* {$ A+ D- l* B
A simple meaning of Gravitational force = the force of attraction between any / {* z+ A, H  i+ ~/ n! D
two masses.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。5 |$ A: T  T! v/ S) q* q# ?& w4 k

7 v2 |, y! M2 B2 Q# M1 P! FGosh, I got fooled by my HK Physics teacher many years ago.