What is the edge of the universe?

What is the edge of the universe?

As far as we can tell, there is no edge to the universe. Space spreads out infinitely in all directions. Furthermore, galaxies fill all of the space through-out the entire infinite universe. This conclusion is reached by logically combining two observations.

What is the edge of the universe expanding into?

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 is on the other side of the edge of the universe?

The universe is infinite, so it cannot (by definition) expand into anything and there is nothing on the other side.

What lies beyond the observable universe?

Astronomers think space outside of the observable universe might be an infinite expanse of what we see in the cosmos around us, distributed pretty much the same as it is in the observable universe. After all, it doesn’t make sense that one section of the universe would be different than what we see around us.

What is meant by observable universe?

The observable universe is a ball-shaped region of the universe comprising all matter that can be observed from Earth or its space-based telescopes and exploratory probes at the present time, because the electromagnetic radiation from these objects has had time to reach the Solar System and Earth since the beginning of …

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What do we mean by the observable universe?

In Big Bang cosmology, the observable universe is what, in theory, can be seen from Earth. It simply means that it is possible in principle for light or other signals from the object to reach an observer on Earth. In practice, there is much that we cannot see.

Why can’t we see the edge of the universe?

This edge represents the limit of what we can see because the speed of light — even in an expanding Universe governed by General Relativity — only allows signals to travel so far over the Universe’s 13.8 billion year history. This distance is farther than 13.8 billion light-years because of the Universe’s expansion, but it’s still finite.

How far back in the universe can we see?

Most people assume that if the Universe has been around for 13.8 billion years since the Big Bang, then the limit to how far we can see will be 13.8 billion light-years, but that’s not quite right.

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What was the universe like in earlier times?

The Universe, at earlier times, consists of galaxies that are: as compared to today’s galaxies. Way-like are inherently smaller, bluer, more chaotic, and richer in gas in general than the galaxies we see today. For the first galaxies of all, this effect goes to the extreme.

How does the universe change as we get further away?

As we look to greater distances, we find that the Universe is slightly less clumpy and slightly more uniform, particularly on larger scales. We see that galaxies are lower in mass and less evolved; there are more spirals and fewer elliptical galaxies.