Originally Posted by Acting Like Godot
Here's a quick grab I made, off the Internet, to give you some idea of what I mean, when I say that matter is "mostly" empty space. Below the writer uses the hydrogen atom to illustrate. Hydrogen is used as a proxy for "all matter", because it is the most abundant element in the universe.
So that's your back-of-the-envelope figure. Matter is generally 99.999999999314% empty space.
Just out of curiosity, what would you say the other .000000000686% consists of?