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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.
( \- l* k( v$ I2 Rtvb now,tvbnow,bttvbIt must be a painful joruney.' h1 i9 K$ Z  E  Y  S6 m. m! F
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.tvb now,tvbnow,bttvb- E) e; y- J5 h# F0 q# J
I suggest you pack and pick other subject instead, if you really like Physics, 公仔箱論壇) G0 v: @# ^: @) M" A; e
you need to switch school.
3 _* x. V) _# B6 ?% z  EThere is no 地心引力, but "gravitational" force only.tvb now,tvbnow,bttvb1 j; F5 `+ w8 w& L) |
A simple meaning of Gravitational force = the force of attraction between any 公仔箱論壇; w& p8 D) ~2 X! u" j6 A
two masses.
  c5 }" ^- z! @9 D) h4 [  o9 Itvb now,tvbnow,bttvbwww2.tvboxnow.com4 O8 l) i1 T& }! v* o5 G
Gosh, I got fooled by my HK Physics teacher many years ago.
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