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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.
, q  A3 I$ d; p& S7 I" g9 ltvb now,tvbnow,bttvbIt must be a painful joruney.www2.tvboxnow.com4 D  M" x$ T1 [9 R
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
8 e3 V& n# L3 S! N7 aI suggest you pack and pick other subject instead, if you really like Physics, 公仔箱論壇2 j7 F$ r5 O! |( e2 t9 E
you need to switch school.6 s4 k/ O& v8 ?3 k
There is no 地心引力, but "gravitational" force only.
1 w5 F% _4 _# M公仔箱論壇A simple meaning of Gravitational force = the force of attraction between any www2.tvboxnow.com8 {$ j) P# o: p( Y8 ^
two masses.www2.tvboxnow.com: `' E" \* g: k. D2 Y9 V" W1 U$ ~
tvb now,tvbnow,bttvb7 ?1 t% R, @1 X0 A  ?/ |
Gosh, I got fooled by my HK Physics teacher many years ago.
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