wikipedia said:In physics, a redshift is an increase in the wavelength, and corresponding decrease in the frequency and photon energy, of electromagnetic radiation (such as light).
Brainly said:When a photon of light hits an electron, the photon transfers some of its energy to the electron. If the photon has enough energy, it can excite the electron, which means that it can raise the electron to a higher energy state. In other words, the photon's energy can be absorbed by the electron, causing the electron to move to a higher energy level within an atom or molecule
Which means the 'photon' is essentially redshifted each time it bumbs into an electron, as the loss in energy translates to an increase in wavelength !
So light can be redshifted by any type of matter or medium which it encounters through space, as all matter is made from atoms which are made of electrons. And especially by plasma, which contains more electrons than ordinary matter. And which is the most common type of matter in the universe.
Plasma is one of four fundamental states of matter (the other three being solid, liquid, and gas) characterized by the presence of a significant portion of charged particles in any combination of ions or electrons. It is the most abundant form of ordinary matter in the universe, mostly in stars (including the Sun), but also dominating the rarefied intracluster medium and intergalactic medium.
And you know what else has many electrons flowing around ? An Electro-magnetic field. So it immediatelly follows that a light wave which travels in an EM field will loose energy as it interacts with its electrons, and become redshifted.
So given that it is known by scientists that light waves/photons loose energy when they interact with electrons, which are omnipresent in the universe, and this results in a decrease in frequency and an increase in wavelength, why is this not considered a Redshift in astronomy, and is completelly ignored by astrophysicists ?
Who instead are convinced that light is redshifted because 'space expands' because it has a 'dark energy' or vacuum energy. And not only they cannot prove that this dark vacuum energy exists, but it violates the mass-energy equivalence E=mc^2, so it cannot exist without violating elementary physics, and even if vacuum would contain any energy (and therefore mass), that would not expand space but curve it according to general relativity- which they use in their big bang cosmoillogical model. Which is completely unscientific, illogical and utterly insane.
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