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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.
  A) }  L3 p5 `0 LIt must be a painful joruney.8 N: t6 W* E. g3 N
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
( ?' K  \( ~. }: yI suggest you pack and pick other subject instead, if you really like Physics,
' N5 P& W, s4 h1 Nwww2.tvboxnow.comyou need to switch school.
# V, g' k0 {/ _+ w7 O; M8 Iwww2.tvboxnow.comThere is no 地心引力, but "gravitational" force only.tvb now,tvbnow,bttvb0 P7 Y; x; v; ^9 e7 u7 q
A simple meaning of Gravitational force = the force of attraction between any
8 l' N1 s8 Q1 F4 owww2.tvboxnow.comtwo masses.
; n; N8 v! L5 v) e! gtvb now,tvbnow,bttvb
4 Y8 k& R- g2 j% F" o/ l  Awww2.tvboxnow.comGosh, I got fooled by my HK Physics teacher many years ago.
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