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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.
- u% R& q  Q0 `It must be a painful joruney.tvb now,tvbnow,bttvb: o) b+ W; m# Y  j  T, P) Y
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.) N8 ]4 w5 }( A% g
I suggest you pack and pick other subject instead, if you really like Physics,
3 ]) F( H: @0 E1 e7 u) P0 \3 d* O公仔箱論壇you need to switch school.公仔箱論壇4 K4 c! Z  A1 k$ b0 Y( e
There is no 地心引力, but "gravitational" force only.tvb now,tvbnow,bttvb- K' H) p9 w: P5 R/ X7 J! l+ P; y
A simple meaning of Gravitational force = the force of attraction between any
# D/ p8 O, d8 Q4 d$ A: |公仔箱論壇two masses.
+ Y* A0 ^  x7 U4 Z: D4 t9 r: N
8 B' c' T5 g- y4 O. @6 nGosh, I got fooled by my HK Physics teacher many years ago.
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