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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.% o; A! [1 ~, ^, P  t. P
It must be a painful joruney.
( a9 [, b- i$ |( U; X) f+ a- Q# @' POh BTW, if your lecturer talks about "地心引力" in your Physics class.
" l# q* A& ^  Jtvb now,tvbnow,bttvbI suggest you pack and pick other subject instead, if you really like Physics, 公仔箱論壇1 x( C! q% i) `$ v, Q8 u3 q" Y
you need to switch school.
0 s$ C. Q1 r+ S公仔箱論壇There is no 地心引力, but "gravitational" force only.
0 U9 x( g. V! G8 L8 |" {+ Y9 {' `! Ntvb now,tvbnow,bttvbA simple meaning of Gravitational force = the force of attraction between any www2.tvboxnow.com+ R! V. s# K$ D
two masses.( X8 B" a; g# Q% J% r
tvb now,tvbnow,bttvb( ?. \: t* i/ ^) E) c
Gosh, I got fooled by my HK Physics teacher many years ago.
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