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How does dark energy effect the universe?

How does dark energy effect the universe?

Astronomers theorize that the faster expansion rate is due to a mysterious, dark force that is pulling galaxies apart. One explanation for dark energy is that it is a property of space. As a result, this form of energy would cause the universe to expand faster and faster.

How would dark matter energy affect the possible end of the universe?

If dark energy gets stronger with time, space will eventually tear itself apart, resulting in a Big Rip scenario, tearing atoms themselves apart. Alternatively, if dark energy increases in magnitude but reverses its sign (from positive to negative), the Universe will recollapse and end in a Big Crunch, after all.

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How does dark matter interact with the universe?

Unlike normal matter, dark matter does not interact with the electromagnetic force. This means it does not absorb, reflect or emit light, making it extremely hard to spot. Dark matter seems to outweigh visible matter roughly six to one, making up about 27\% of the universe. …

How does dark matter effect models of the future of the universe?

In a universe with a high density of dark matter, the Hubble expansion that began with the Big Bang continues to decelerate due to the gravitation attraction of the dark matter filling the Universe, ending in a big crunch. In a universe with a lower critical density of dark matter, the expansion coasts.

Why is dark matter important in determining the density of matter in the universe?

Why is dark matter important in determining the density of matter in the universe? Density is the ratio of mass to volume, and scientists think that dark matter is responsible for a large part of the universes mass. Therefore dark matter is responsible for a large part of the universes density.

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Can dark energy destroy the universe?

Dark energy will almost certainly destroy the universe and everything in it. Dark energy is without a doubt the weirdest thing in the universe. The baseball and the Earth here are standing in for galaxies moving apart from each other in our expanding universe, and your throw is the expansion set off by the Big Bang.

What would happen if dark energy decreased?

If dark energy were to decrease rapidly enough with time, the accelerating expansion of the universe that is observed now would change to a deceleration as the mass once again dominates over dark energy. If dark energy were to increase with time, the universe would accelerate its expansion at an ever-increasing rate.

What role did dark matter play in the formation of the structure of universe?

Dark matter plays a crucial role in structure formation because it feels only the force of gravity: the gravitational Jeans instability which allows compact structures to form is not opposed by any force, such as radiation pressure.