>>12714277If you understand what matter is, imagine two pieces of matter in space next to each other.
Now slowly move those two pieces of matter apart from each other.
Whatever remains in the middle is space.
To put it plainly, space is the absence of matter.
Not that that's the complete truth, space is filled with all kinds of isolated atoms, plus it was recently proven that quantum fluctuations exist in empty space, so who knows if empty space really is empty.
