在太空中航天员是没办法哭的，因为没有地心引力,眼泪流不出来 作者: mamasing 時間: 2007-4-26 09:26 AM
I agree, I heard that astronaut cannot pee or shit while they are in space.$ o( I" x" `1 ]( o: B
It must be a painful joruney.tvb now,tvbnow,bttvb, s4 h3 g/ l0 N; u" t; N
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.5.39.217.76( g$ a6 F4 g; e. m) J" K6 ]
I suggest you pack and pick other subject instead, if you really like Physics, % r5 P3 R9 D V1 |# M; X1 ayou need to switch school.tvb now,tvbnow,bttvb- L( k' Y1 N6 S% G
There is no 地心引力, but "gravitational" force only. ( e/ A2 e8 a$ p5.39.217.76A simple meaning of Gravitational force = the force of attraction between any ! t1 z2 c# _% { j' qtwo masses.% s- e$ C9 }( c; X" }
3 l0 O: [/ o6 h5.39.217.76Gosh, I got fooled by my HK Physics teacher many years ago.
