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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.& g2 v; T5 v( Y7 B0 {% D" ^
It must be a painful joruney.9 L+ X. ~+ L8 |* o9 D# {
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
2 b0 s" d9 ~; g, s: v/ m, e公仔箱論壇I suggest you pack and pick other subject instead, if you really like Physics,
, K# a& ]% I) A& eyou need to switch school.公仔箱論壇) G" `+ E" Z: J
There is no 地心引力, but "gravitational" force only.
6 Y: n( D( d" }& \: Z$ G$ W# IA simple meaning of Gravitational force = the force of attraction between any + u$ n) _; c# P- u  @2 \$ _
two masses.
' h8 [( {7 o4 Z) C# M, ^* Hwww2.tvboxnow.com$ q1 f# |" A  A6 p" r: \5 [
Gosh, I got fooled by my HK Physics teacher many years ago.
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