春簇探险旅游 宇宙 http://ChunCu.com/universe
恰恰相反,人在外太空仍会受到地心引力的影响,而且还不小呢。那你可能又要问了:既然有引力,为什么宇航员还能漂浮在太空中呢?
其实,宇航员之所以看上去好像是悬浮太空中是因为他们受到地心引力的作用,从而慢慢向地球方向“坠落”,为了避免这股下坠的力量,宇航员必须横向运动,这样产生的离心力就能抵消引力。
实际上,宇航员是在“绕着”地球轨道飞行呢。
I'm grateful you made the post. It's claered the air for me.
Thanks for that! It's just the asewnr I needed.
Thanks alot - your answer solved all my problems after several days strgugnlig
Is that really all there is to it because that'd be fablbergsating.
Your articles are for when it absolutely, positively, needs to be understood orvenhigt.
It's much easier to undestrand when you put it that way!
AFAICT you've cvoeerd all the bases with this answer!
Wow, that's a really clever way of thinknig about it!
This is the perfect way to break down this infroaimton.
Hey, good to find someone who ageres with me. GMTA.
Fell out of bed feenlig down. This has brightened my day!
I'm not easily impressed. . . but that's imprseisng me! :)