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-RA-
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If you look at the size of the amount of empty space in an atom, compared to the tiny size of the nuclues, does it not mean that the universe is nearly entirely empty? like 99% empty?
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No, it does not.-RA- said:If you look at the size of the amount of empty space in an atom, compared to the tiny size of the nuclues, does it not mean that the universe is nearly entirely empty?
Gokul43201 said:No, it does not.
Many, many, many, many, many more nines. If I had to guess (too lazy to calculate), I'd guess the universe would be 10E-50 to 10E-100 % matter by volume.pixel01 said:First, the emptiness is not 99%, there are more nines.
My head then must be a typical member of the universe at large!lalbatros said:In first approximation, the universe is now totally empty.
lalbatros said:In first approximation, the universe is now totally empty.
lalbatros said:In first approximation, the universe is now totally empty.
-RA- said:If you look at the size of the amount of empty space in an atom, compared to the tiny size of the nuclues, does it not mean that the universe is nearly entirely empty? like 99% empty?
Which makes sense: if the universe is boundless then there is an infinite amount of space to fill with a finite amount of matter.russ_watters said:Many, many, many, many, many more nines. If I had to guess (too lazy to calculate), I'd guess the universe would be 10E-50 to 10E-100 % matter by volume.
Crazy.
An atom is completely occupied by its constituent protons, neutrons and electrons. It is 100% filled, not 99% empty. The volume fraction of an atom where the mass density is zero, is 0% of the volume of the atom. Of course, the electrons occupy most of the space, but there's no reason to treat them as though they shoudn't count.-RA- said:If you look at the size of the amount of empty space in an atom, compared to the tiny size of the nuclues, does it not mean that the universe is nearly entirely empty? like 99% empty?
I think you are asking what occupies the space between the nucleus and the outermost electronic orbitals. The answer is: electrons.-RA- said:care to elaborate on that? what is inbetween the nucleus and their outer energy state if it is not empty?
Did you just refer to electric and magnetic fields as metaphysical quantities?i suppose you have fields like electric fields and magnetic fields in between, but they are metaphysical and have no real existence
afalaki said:Roughly speaking, there is one atom (mostly hydrogen) of matter per cubic meter of the space in the universe. Considering the size of an atom, Radius = 1/10,000,000,000 meters, the universe is 99.99...% empty!
When we say that 99% of the volume of the universe is empty, we mean that the vast majority of the universe is made up of empty space. This means that there are large regions of the universe where there is essentially nothing present, such as gas, dust, or stars.
Scientists have been able to measure the density of matter in the universe through various methods, such as studying the cosmic microwave background radiation and observing the movement of galaxies. From these observations, it has been determined that the majority of the universe is made up of empty space.
It is currently unknown if the universe is infinite or not. However, even if the universe is infinite, the fact that 99% of the volume is empty would still hold true. This is because even an infinite universe can have regions of empty space between objects.
While there may not be any traditional forms of matter present in the empty space of the universe, there are still various forms of energy present. This includes things such as dark energy and dark matter, which make up a significant portion of the universe's total energy density.
The emptiness of the universe has a significant impact on our understanding of the universe and its evolution. It also has implications for the future of the universe, as the expansion of the empty space between galaxies will eventually lead to the end of star formation and potentially the end of the universe as we know it.