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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.
! C! j$ a! n: T# ~2 [& V+ a公仔箱論壇It must be a painful joruney.公仔箱論壇  ~( K# [2 V3 F9 x% L& D
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
' w4 {' s* }+ A) {1 QI suggest you pack and pick other subject instead, if you really like Physics, , W& o! b" J3 X
you need to switch school.
; G# m* o$ c6 y9 s$ mThere is no 地心引力, but "gravitational" force only.1 S3 q. W: o  X; h
A simple meaning of Gravitational force = the force of attraction between any 公仔箱論壇. i8 h4 u3 I; \1 \5 H
two masses.
. I. G3 U! ~' V4 r, x. Ztvb now,tvbnow,bttvb! W& U6 M- V1 Z+ _9 u) e2 W
Gosh, I got fooled by my HK Physics teacher many years ago.
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