mamasing

I agree, I heard that astronaut cannot pee or shit while they are in space.5.39.217.77% G# X+ [( x/ |7 X$ m) t
It must be a painful joruney.
, f$ [0 ~7 I4 s. |8 y' w0 ]Oh BTW, if your lecturer talks about "地心引力" in your Physics class.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。$ p7 J( S" u! E& ]8 J1 [% R3 E
I suggest you pack and pick other subject instead, if you really like Physics,
" {' R+ r$ C5 B9 w+ r+ L5.39.217.77you need to switch school.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。: `# E, V1 ]9 ?
There is no 地心引力, but "gravitational" force only.
! u& n% V5 J- v* R) ?tvb now,tvbnow,bttvbA simple meaning of Gravitational force = the force of attraction between any * _$ y, p/ W& K) z( J4 ~
two masses.9 V8 S1 P' U4 B( ~! o
5.39.217.77' S( V4 J0 \; q) C7 F2 V' H$ y
Gosh, I got fooled by my HK Physics teacher many years ago.