What Occurs If Dark Matter Doesn’t Exist

What occurs if dark matter doesn’t exist?

The current cosmological model fails without dark matter. Since the validity of the model depends on Einsteinian gravitation, another theory of gravitation must be developed. The universe is expanding faster as a result of dark energy, which has the opposite effect of positive energy components. The most common explanation for recent observations that the universe appears to be expanding faster than previously thought is the existence of dark energy.The universe’s dark energy, which makes up about 68 percent of it, seems to be connected to space’s vacuum. It is evenly distributed throughout the universe in both space and time, so as the universe expands, its impact is unaffected.The existence of dark energy could be just an illusion, he says, the accelerated expansion of the Universe might be caused by some yet unknown modifications of general relativity, a sort of ‘dark gravity’.The Universe will continue to grow, but at a slower rate, in the absence of dark energy. The Universe will eventually collapse if there isn’t any dark energy and there is enough mass to stop the expansion. The Universe in question is a closed one.

What if dark energy weren’t real?

Without dark energy, the universe would have started out expanding more quickly and would currently be expanding more slowly if it contained the same amount of matter as it does now. The universe will gradually and irrevocably get darker as existing stars run out of fuel and stop shining. The universe will eventually be dominated by black holes, which will eventually vanish as they emit Hawking radiation.All cosmological structure would be violently destroyed by it. Some of them permit a dynamic change in the density of dark energy. Indeed, some recent observations of the expansion of the universe as inferred from extremely far-off exploding stars and supermassive black holes have provided support for just that hypothesis.Dark energy will rule the cosmos in the future, driving galaxies ever farther apart. For a large portion of that time, dark matter has ruled the cosmos, forming galaxies and galaxy clusters.One of the greatest mysteries in the universe is dark energy, about which more is still unknown than is known. Physicists can deduce that dark energy, which makes up about 68 percent of the universe and seems to be connected in some way to the vacuum of space, affects the universe’s expansion and that it accounts for about a quarter of the universe’s mass.

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Will the dark energy in the universe run out?

There may always be dark energy, but it won’t be as useful as other types of energy. However, as the Universe expands due to . The density of dark energy doesn’t change as more space is created in the expanding universe. Each cubic centimeter of the crust of the planet Earth may contain more than 10 trillion dark matter particles. Due to its apparent lack of interaction with light, dark matter is a hypothetical type of matter that cannot be seen.Dark matter particles may even be able to travel straight through our planet without losing any energy because they can pierce all other types of matter. On the other hand, they might be slightly hampered and lose energy if they collide with the common material that makes up Earth.In fact, according to recent estimates, dark matter occurs in our universe five times as frequently as ordinary matter. However, we are unable to touch, see, or otherwise interact with dark matter because it does not interact electromagnetically. The gravitational forces could theoretically be used to control dark matter.Even though you only contain 10 to 22 kilograms of dark matter at any given time, much larger amounts are constantly passing through you. Your body will experience the passage of about 2.

Can dark energy be destroyed?

Dark energy has the potential to self-destruct and decay. It could change into baryonic matter or even produce a new particle. We are also unable to destroy it because we are unaware of how it was created. In the Big Rip scenario, assuming a dark energy model with w = 1. Universe could end is 22 billion years in the future.The Big Rip would occur roughly 22 billion years from now if the authors’ fictitious example with w = 1. H0 = 70 km/s/Mpc, and m = 0. Approximately 200 million years before the Big Rip, galaxies would first begin to drift apart in this scenario.It is still possible that dark matter will eventually decay into ordinary matter, antimatter, or radiation in the very distant future, perhaps even while the stars are still burning. This is because dark matter has a lifetime of several hundred billion years or longer.The universe will drift apart until galaxy and star formation stops billions of years in the future, long after Earth is destroyed. As stars slowly fade away, the night sky will become pitch-black. Black holes will consume all remaining matter until there is nothing left.Universe in the Big Rip scenario, assuming a model of dark energy with w = −1. If the Higgs field is metastable, false vacuum decay could happen in 20–30 billion years.

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How is dark energy created?

Like dark energy, scientists aren’t sure what it’s made of, but they do have a few theories. One of these is that it’s made up of a lot of the hypothetically very light axions. The number of WIMPS (Weakly Interacting Massive Particles), or primordial black holes, an extremely heavy (theoretical) type of particle, has decreased over time. Axions, which are lighter but equally fictitious particles, are said to make up a popular theory that dark matter. However, over the past decade or so, some scientists have become more receptive to an older hypothesis: Dark matter is made up of primordial black holes (PBHs) that resulted from the Big Bang.Any substance that primarily interacts with visible matter through gravity is referred to as dark matter. Therefore, in theory, it need not be made up of a brand-new type of fundamental particle but rather could be made up, at least in part, of typical baryonic matter, such as protons or neutrons.According to Toro, one hypothesis is that there is some sort of charge in nature, and dark matter is the lightest thing that carries that charge. Charge must be conserved in particle physics, which means it cannot be created or destroyed.A hypothetical energy known as dark energy acts as the antithesis of gravity by exerting a repellent, negative pressure. It has been proposed to explain the observational characteristics of far-off type Ia supernovae, which reveal the universe is expanding at a faster rate than usual.Dark energy is the biggest mystery in cosmology, but it may not exist at all – leading physicist. According to Professor Subir Sarkar, head of the particle theory group at the University of Oxford in the UK, dark energy, the most puzzling phenomenon in cosmology, may not even be real.

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Does dark energy actually have a purpose?

To reconcile the measured geometry of space with the total mass of the universe, dark energy, in whatever form, must exist. The universe is nearly flat, according to measurements of cosmic microwave background anisotropies. Without dark matter’s gravitational pull, according to astronomers, galaxies cannot form. It would therefore be remarkable to discover a line of galaxies devoid of this enigmatic substance and without any obvious reason.Dark matter is the collective name for subatomic particles that have the power to change a person’s biological make-up, transforming them into meta-humans and granting them superpowers.Solving the Mysterious. Indirect observations of dark matter by scientists are still lacking. With the technology available today, dark matter cannot be detected because it interacts with baryonic matter in any way and is completely opaque to light and other electromagnetic radiation.Galaxies were formed in large part thanks to dark matter. Based on the way the light from far-off galaxies bends as it moves toward us, astronomical surveys are used by researchers to construct maps of the distribution of dark matter in the universe.