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What was the universe made of before the Big Bang?

Posted on October 25, 2019 by Author

Table of Contents

  • 1 What was the universe made of before the Big Bang?
  • 2 How did the universe evolved after the Big Bang?
  • 3 How did universe evolve?
  • 4 What is the universe expanding in?
  • 5 Did space and time exist before the Big Bang?
  • 6 Was the universe hibernating before Big Bang?

What was the universe made of before the Big Bang?

It’s possible that before the Big Bang, the universe was an infinite stretch of an ultrahot, dense material, persisting in a steady state until, for some reason, the Big Bang occured. This extra-dense universe may have been governed by quantum mechanics, the physics of the extremely small scale, Carroll said.

How did the universe evolved after the Big Bang?

As space expanded, the universe cooled and matter formed. One second after the Big Bang, the universe was filled with neutrons, protons, electrons, anti-electrons, photons and neutrinos. During the first three minutes of the universe, the light elements were born during a process known as Big Bang nucleosynthesis.

What did the Big Bang expand into?

That’s because there was no space to expand through at the beginning of time. Rather, physicists believe the Big Bang created and stretched space itself, expanding the universe. As the early universe cooled, the matter produced in the Big Bang gathered into stars and galaxies.

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What 3 things were created after the Big Bang?

Most of the hydrogen and helium in the Universe were created in the moments after the Big Bang. Heavier elements came later. The explosive power of supernovae creates and disperses a wide range of elements. The gold used in jewelry and the titanium used in light-weight eyeglass frames were formed in supernovae.

How did universe evolve?

Our universe began with an explosion of space itself – the Big Bang. Starting from extremely high density and temperature, space expanded, the universe cooled, and the simplest elements formed. Gravity gradually drew matter together to form the first stars and the first galaxies.

What is the universe expanding in?

The universe is everything, so it isn’t expanding into anything. It’s just expanding. All of the galaxies in the universe are moving away from each other, and every region of space is being stretched, but there’s no center they’re expanding from and no outer edge to expand into anything else.

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What did the singularity look like?

What would a singularity look like in the quantum mechanical context? Most likely, it would appear as an extreme concentration of a huge mass (more than a few solar masses for astrophysical black holes) within a tiny volume.

Did the universe start as a singularity?

The Big Bang theory says that the universe came into being from a single, unimaginably hot and dense point (aka, a singularity) more than 13 billion years ago. It didn’t occur in an already existing space. Rather, it initiated the expansion—and cooling—of space itself.

Did space and time exist before the Big Bang?

The statement that space and time did not exist prior to the Big Bang appears to present a logical impossibility, at least with respect to time. Any physical event implies change, and change presupposes — or would logically require — the existence of time. Or not?

Was the universe hibernating before Big Bang?

The universe was hibernating until something set it in motion. This idea says that the pre-Big Bang universe was a small, flat, high-pressure space that was “metastable,” or stable until it found an even more stable state — the way a house of cards might sit perfectly solid forever until a breeze came through.

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What happened before there was a universe?

Before there was an Earth, there was just a big cloud of gas and dust floating out in the universe. Before there was a universe well, before that is a point that physicists spill a lot of ink over. We don’t know what happened before the Big Bang gave birth to the universe, but the smartest people in science have plenty of fascinating theories.

Is the Big Bounce a big bang or Big Bang?

The Big Bounce would make a departure from western civilization’s view of reality since St. Augustine, because it would recognize that time actually existed before the universe as we know it. But whether it as a Big Bang or a Big Bounce, the question of what existed before our present universe remains an open question.

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