Do you think that there is vacuum in Earth's atmosphere? I think there is. Look at the diagram below:

 

 

 

 

 

 

 

 

This is the molecular arrangement in gas, liquid and solid. We can say that the first jar represents the atmosphere of the Earth. If the air molecules in our atmosphere are arranged like this, there should be lots gap between them. What is there in this gap? If there is nothing in this gap, then there should be vacuum. So there should be vacuum in air.

You got it. There is nothing but empty vacuum between gas molecules in the atmosphere. Though if you sectioned of some volume of air, one could hardly call it a vacuum as there are many gas molecules in that volume.

Edited August 18, 201114 yr by mississippichem

There is indeed nothing in these gaps. These are created by the repulsive forces between gaseous molecules.

On earth, liquids and solids are also mostly empty space. When matter is really squashed, you have white dwarfs or neutron stars - even black holes, all of which have much higher densities than ordinary matter.

If there is nothing in the gap means there is vacuum. If vacuum is not nothing, then it should be a form of matter or energy. Then what is the thing called vacuum? If vacuum is nothing, then my theory should be correct. If vacuum is something else, then we should discuss about it.

Vacuum is indeed something in my opinion, it is existence. Quantum fluctuations appear in the vacuum.