FAQ: How The Universe Works Season 2?

How does this universe work?

The origin of the force that is pushing the universe apart is a mystery, and astronomers refer to it simply as “dark energy”. This new, unknown component, which comprises ~68% of the matter-energy content of the universe, will determine the ultimate fate of all.

How are the Earth and the universe connected?

Earth is, for the main part, connected to space via the magnetic poles. When electrically charged particles from space bombard our planet, visible light occurs; i.e. aurora borealis in the Northern hemisphere or aurora australis in the Southern hemisphere.

How old is the universe?

The universe is (nearly) 14 billion years old, astronomers confirm. With looming discrepancies about the true age of the universe, scientists have taken a fresh look at the observable (expanding) universe and have estimated that it is 13.77 billion years old (plus or minus 40 million years).

How the universe was created?

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.

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Does the universe end?

It never ends, but it’s also constantly expanding. Scientists don’t think there is a true edge of the universe. This is called the edge of the observable universe. It’s the farthest we can see, based on how we get information from light.

What is the biggest thing in the universe?

The largest known ‘object’ in the Universe is the Hercules-Corona Borealis Great Wall. This is a ‘galactic filament’, a vast cluster of galaxies bound together by gravity, and it’s estimated to be about 10 billion light-years across!

How many universes are there?

There are still some scientists who would say, hogwash. The only meaningful answer to the question of how many universes there are is one, only one universe.

What came first in the universe?

The Universe begins 13.7 billion years ago with an event known as the Big Bang. Both time and space are created in this event. Nuclei of hydrogen, helium, lithium and other light elements form.

Who created the universe?

A Belgian priest named Georges Lemaître first suggested the big bang theory in the 1920s, when he theorized that the universe began from a single primordial atom.

What galaxy do we live in?

We live in one of the arms of a large spiral galaxy called the Milky Way. The Sun and its planets (including Earth) lie in this quiet part of the galaxy, about half way out from the centre.

How old is our galaxy?

22 billion years in the future is the earliest possible end of the Universe in the Big Rip scenario, assuming a model of dark energy with w = −1.5. False vacuum decay may occur in 20 to 30 billion years if Higgs boson field is metastable.

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What’s bigger than the universe?

The universe is much bigger than it looks, according to a study of the latest observations. When we look out into the Universe, the stuff we can see must be close enough for light to have reached us since the Universe began.

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