how old is the universe

THE word “universe” encompasses quite a lot, time, space, planets, in short…everything.

But how old is it and is it expanding?

how old is the universe

The simple answer is: we don’t know for sure.

The age, diameter, and origin of the Universe is one of the most intriguing and perplexing questions in astronomy.

As you can imagine, calculating its size is a fairly complex process, and that’s a galaxy-sized understatement.

Scientists create these estimates by using the movement of stars to measure expansion.

The age of the universe is estimated to be around 13.8 billion years, although estimates vary

It is believed to be around 13.8 billion years old, although estimates vary.

Some scientists have suggested that it could be more than 2 billion years younger, at just 11.2 billion years old.

how big is the universe

The universe is vast on a level unfathomable to the human mind.

The observable Universe is believed to be about 92 billion light-years across.

Scientists can make educated guesses about its size by looking at the furthest observable point from our planet.

This should mean it’s the oldest, as we contend with light-years and light from these objects takes the longest to reach us.


By finding the furthest point, we can roughly estimate a diameter.

Some scientists have suggested that the true size of the universe could be over 250 times larger than the 93 billion estimate.

This would mean that its diameter would be over 7 trillion light years.

Is the universe expanding?

The universe is expanding due to the aftermath of the Big Bang.

This colossal explosion spread matter and energy throughout the universe, and the expansion continues to this day.

Read more on The Sun

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The continuous growth of the cosmos is the standard by which experts date the universe. They do this by turning the clock back to the tiny point from which everything started.

Although the explosion happened thousands of millions of years ago, it’s believed that its expansion is actually accelerating, not slowing down, due to a mysterious force known as dark energy.


https://www.thesun.ie/tech/9175587/how-old-universe/ how old is the universe

Fry Electronics Team

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