People said outside earth is a vacuum. But the air does not get sucked from the Earth's surface. Some said it is due to gravity and some said the speed of air molecules are not high enough to escape. We know vacuum will suck air like your vacuum cleaner and it has nothing to do with gravity. If outer space is really a vacuum, what prevents air escape the earth?
Subscribe to:
Post Comments (Atom)
-
It is always told as a fact without explaining the reason. Why do two objects get charged by rubbing? Why one object get negative charge and...
-
cosmology - The difference between comoving and proper distances in defining the observable universe"The radius of the observable universe is estimated to be about 46.5 Gly." If I understand correctly, it means the most distant ob...
-
Everyone always talks about the efficiency of their appliances. I was wondering if everything was 100% efficient at heating its surroundings...
No comments:
Post a Comment