mamasing

I agree, I heard that astronaut cannot pee or shit while they are in space./ m6 `- i6 n( k2 Y+ E0 k! j4 O
It must be a painful joruney.
3 i( S/ R. w: o% X, v4 }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。Oh BTW, if your lecturer talks about "地心引力" in your Physics class.tvb now,tvbnow,bttvb; ]6 k9 m) w$ z
I suggest you pack and pick other subject instead, if you really like Physics,
' ?, @, \1 z+ Xyou need to switch school.% E/ x" {+ a! ]9 v$ ?- J1 w8 P
There is no 地心引力, but "gravitational" force only.5.39.217.76% f' l( d! h1 e% q. p* p
A simple meaning of Gravitational force = the force of attraction between any * ~1 j* e; T; j9 _7 v' Y. |4 v# f
two masses.tvb now,tvbnow,bttvb* P0 k& }8 u4 H% O* n- T; l; w

* g/ F* o' g1 d% H6 ?Gosh, I got fooled by my HK Physics teacher many years ago.