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[冷知識分享] 在太空中航天员是没办法哭的

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
I agree, I heard that astronaut cannot pee or shit while they are in space.tvb now,tvbnow,bttvb+ g% [8 z/ ?; Z
It must be a painful joruney.公仔箱論壇% f% B7 \" h/ r3 a5 _" U( D
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.tvb now,tvbnow,bttvb/ N8 B8 n1 h  e  r2 ~
I suggest you pack and pick other subject instead, if you really like Physics, www2.tvboxnow.com0 g  b8 W2 p* V* k  y. q2 C
you need to switch school.tvb now,tvbnow,bttvb6 F+ \. l6 {5 b! `* ~# A* v9 R
There is no 地心引力, but "gravitational" force only.tvb now,tvbnow,bttvb% f( _( j$ @7 }# A& t
A simple meaning of Gravitational force = the force of attraction between any
( \3 _! B2 ~% W+ e' Zwww2.tvboxnow.comtwo masses.tvb now,tvbnow,bttvb9 V1 D( c) |  ~- `2 I  o
' o" F# O2 D* w- @( q+ r' H
Gosh, I got fooled by my HK Physics teacher many years ago.
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