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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.公仔箱論壇) d2 g! i9 `: s2 L9 ^
It must be a painful joruney.www2.tvboxnow.com' M  V# A, ^7 ^/ ~( e& }$ c
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
2 W8 L: W3 U- |2 `tvb now,tvbnow,bttvbI suggest you pack and pick other subject instead, if you really like Physics,
0 l* Y  k/ \) g& g4 L) A9 dyou need to switch school.公仔箱論壇/ r( G, L( S' }) I
There is no 地心引力, but "gravitational" force only.& `' H" ]; x: A* G$ w- B. Z  ?
A simple meaning of Gravitational force = the force of attraction between any tvb now,tvbnow,bttvb. {# J# R. K' @% m# A2 N: F& E
two masses.
: m' I9 B4 u3 p, T) x" l2 ?
/ x6 J6 Y* n3 FGosh, I got fooled by my HK Physics teacher many years ago.
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