Is Space Really a Vacuum and Does it Determine the Size of the Universe?

[pikapika!]

if a vacuum is really absoloutly nothing wouldn't that mean there is no edge of of the universe and so the universe is infinite.

 

[marlon]

if a vacuum is really absoloutly nothing wouldn't that mean there is no edge of of the universe and so the universe is infinite.

The vacuum is NOT empty...it is a common mistake to think that. Besides, we even have experiments that prove, the vacuum is not empty...

https://www.physicsforums.com/journal.php?s=&action=view&journalid=13790&perpage=10&page=2

scroll down until you come at the "string theory part 1"-entry and read to first two paragrafs. they will explain you why the vacuum is not empty...

enjoy

regards
marlon

 

[russ_watters]

And whether or not a vacuum is nothing is irrelevant to whether or not the universe is infinite.

 

[scarecrow]

And whether or not a vacuum is nothing is irrelevant to whether or not the universe is infinite.

well, I think he was eluding to the idea that space is a vacuum and he sort of connected space and the universe together...