What is the nothing in space?
When we think of ‘nothing,’ we typically think of a space with nothing in it. A space that has zero particles, no particle at every place where a particle could be. Physicists call this the ‘vacuum state,’ and thanks to quantum mechanics, it has some weird properties.
What is the empty space in the universe?
There is no hole in the Universe; the closest we have are the underdense regions known as cosmic voids, which still contain matter. Moreover, this image isn’t a void or hole at all, but a cloud of gas.
Is space filled with nothing?
Space is not empty. A point in outer space is filled with gas, dust, a wind of charged particles from the stars, light from stars, cosmic rays, radiation left over from the Big Bang, gravity, electric and magnetic fields, and neutrinos from nuclear reactions.
What exactly is nothing?
“Nothingness” is a philosophical term for the general state of nonexistence, sometimes reified as a domain or dimension into which things pass when they cease to exist or out of which they may come to exist, e.g., in some cultures God is understood to have created the universe ex nihilo, “out of nothing”. …
Is there nothing in the universe?
Although our most spectacular pictures of space are rich in galaxies, the majority of the volume of the Universe is devoid of matter, galaxies, and light entirely. We can only imagine a Universe where space is truly empty.
What is empty space called?
Vacuum, a volume of space that is essentially empty of matter, such that its gaseous pressure is much less than atmospheric pressure.
Does nothingness exist Reddit?
Nothingness is an important metaphysical concept in both Eastern and Western philosophy. However, according to current scientific understanding, there is no evidence for the existence of nothingness.
What is the nature of empty space?
And as in the rest of physics, its nature has turned out to be mind-bendingly weird: Empty space is not really empty because nothing contains something, seething with energy and particles that flit into and out of existence. Physicists have known that much for decades, ever since the birth of quantum mechanics.
Why is space called Nothing?
$\\begingroup$ Even classically, space is not nothing. According to GR, “empty” space can have an energy density (even if it’s zero). There can be no property associated with “nothing” for that would be a contradiction.
Is there anything in the absence of space?
That is to say, from the absence of anything whatsoever — including the absence of space (empty or otherwise), laws of physics, or anything else. Even classically, space is not nothing. According to GR, “empty” space can have an energy density (even if it’s zero).
Is the vacuum of space nothing?
Even classically, space is not nothing. According to GR, “empty” space can have an energy density (even if it’s zero). There can be no property associated with “nothing” for that would be a contradiction. And, from a QFT perspective, the vacuum is a state of something.