How does gravity/light pass through a vacuum?
Gravity, light and other electo-manetic waves pass through a vacuum, right? How? If it is a vacuum then there are no particles in it. If there is actually nothing in the vacuum then it can be in no state, can it? If nothing is in it, then nothing is passing through it.(because passing though requires the presence in, something). If that is true then the vacuum should act as a barrier, and what is on one side should not effect objects on the other side, yet I believe they do. How?
I guess by your strict definition, there is no such thing as a vacuum. Usually we still call it a vacuum even if photons and gravitons are passing through. When you get down to it, even in the most perfect vacuum, quantum field fluctuations cause virtual particles to zip in and out of existence.
Light and Electromagnetic waves can exist as both particals and waves simultaneously. Photons which make up light are energy and can pass through a vacuum without resistence.
Gravity & light are not affected by a vacuum at all. Light passes through millions of miles of space without interference. Otherwise we could not see stars. The moons of all the planets are kept in order by gravity, despite tens of thousands of miles of vacuum between them.
light doesnt require any medium……rt
Gravity and light are two different things and propagate differently. Light waves are not like sound or water waves that are disturbances in a medium, and therefore cannot exist without that medium. Light waves consist of electric and magnetic fields interacting with each other. Since both electric and magnetic fields can exist in a vacuum, light can travel through a vacuum. In a highly conductive medium (like a metal), electric fields cannot exist, so light cannot be carried in them.
Gravity is distortion of space-time; space-time exists everywhere, so gravity can exist everywhere.
LIGHT : it is a form of electromagnetic radiation..its a wave, its ia form of energy ..it travels radially because of variable electric and magnetic field produce hence dont require a medium to travel…….Its not mather…..light sometimes BEHAVES as matter but this doesnot means that it si a matter..even photons are packets of energy which behaves like matter
VACUUM: it means that a region of space doesnot consits of any of the matter and have zero pressure.But if we throw some matter in vacuum it doesnot means that it is no longer a vacuum….yes the region where mathere is not a vacuum ………….. but surrounding is still a vacuum as you can see…………………….light and gravity are not matters, so the region consiting them is still can be called a vacuum
GRAVITY : It is a force which act betwee 2 or more masses
Actually according to Einstein’s general theory of relativity(published in 1916) if we imagine space having 4th dimension as time.and consists of a 4D-space time fabric…then all massive objects inside the space act similarly…………………when their is a heavy stone inside highly stretched cloth. And this curve in space is th cause of gravity..when the mass is moved from its original region….this curve in space now act as ripples if water when u throw a stone……and these ripples TRAVEL ON SPACE TIME FABRIC…………which has nothing to do with vacuum as it is in other dimention………….
MOREOVER vacuum doesnot have any thing in it which can act as a barrier……….it can easily aloww matter to travel in it…………as i said earlier in that case…….the region containing the matter will be no longer a vacuum
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Great reasoning, but it is flawed.
Say there is a vacuum between A and B. When I send a photon from A to B, there is no vacuum between A and B, because the photon is there. After the photon has reached B, there is a vacuum again. So it is possible to send something through a region that was vacuum before and is one after.
This is your error:
You say that ‘being a vacuum’ is a property of a region. This isn’t correct. ‘Being a vacuum’ is a result; a result of nothing being there.
I agree. A wave must have a medium, and light being a transverse wave must have a solid (or perhaps supersolid) medium, which is the ether.
According to my Fractal Foam Model of Universes, the ether is a scaled down version of the cosmic foam, having bubble walls made of ultra-tiny sub-universe galaxies. It is an ultra-dense and ultra-hard solid. Everything in our universe consists of p-waves and s-waves in the ether. The s-waves move at the speed of light. Massive particles consist of pairs or groups of s-waves orbiting one another because of interaction with the p-waves, which probably move at the speed of gravity.