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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.
# C' c* [! G& f1 P$ Ntvb now,tvbnow,bttvbIt must be a painful joruney.6 _5 q/ w- P: o, o4 \9 \/ S
Oh BTW, if your lecturer talks about "地心引力" in your Physics class.
/ ]! j: d* P9 V% |& O( ~I suggest you pack and pick other subject instead, if you really like Physics,
' b5 |% @( Z1 ?9 o9 D- p2 m+ N公仔箱論壇you need to switch school.
- l9 E6 Y8 M4 O! ]There is no 地心引力, but "gravitational" force only.7 W  |7 C# [' C6 Z! z0 J3 z2 [9 p
A simple meaning of Gravitational force = the force of attraction between any
& \3 c2 I0 z9 d  Z; C, ctwo masses.5.39.217.76/ f9 [2 J7 e! @2 n  _3 T" \

, Z. A/ K  r" ]- OGosh, I got fooled by my HK Physics teacher many years ago.
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