theories on the origin of the universe

Theories on the Origin of the Universe

The Big Bang Theory This theory states that Universe was once in an extremely hot and dense state which expanded rapidly.

This occurred approximately 13.75 billion years ago.

This is also a well-tested scientific theory.

The framework for the Big Bang model relies on Albert Einstein's general relativity.

It describes and explains the general evolution of the universe going forward from that point on.

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The Big Bang Theory Beginning

very hot & dense rapid expansion

13.75 billion years ago.

Well-tested, scientific

Relies on Albert Einstein's theory of general relativity

General evolution of the universe

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THE Theism Theory This theory is a belief in one

god as a creator of the universe.

The Greek “THEOS" means "god" .

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THE ATHIESM Theory The theory or belief that God

does not exist.

The Greek “ATHEOS” meaning "without god“.

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THE STEADY STATE THEORY This theory states that the universe has

always expanded at a uniform rate with no beginning or end.

Was also discredited by the discovery of cosmic background radiation.

A theory in which the universe is assumed to have average properties that are constant in space and time.

INFLATIONARY UNIVERSE THEORY Proposes a brief period of extremely rapid accelerating expansion in the very early universe.

CYCLIC UNIVERSE THEORY Is a radical alternative to the standard big bang.

Challenges the standard big bang and theinflationary picture.

NEBULAR THEORY A hypothesis concerning the origin of the solar system.

The theory that the solar system evolved from the gravitational collapse of nebular matter.

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OSCILLATING UNIVERSE THEORY The theory that the universe is oscillating between periods of expansion and contraction.

Possible Ends of the Universe

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The Big Freeze This theory states that the Universe will expand forever.

Please review this. What you wrote about the Big Freeze (or Heat Death) is wrong. Refer to: http://www.universetoday.com/36917/big-freeze/

The Big Freeze

Big Freeze again?

The Big Crunch This theory states that the average density of the universe is sufficient to stop the expansion of the universe gravitationally.

The information here is incomplete. What happens when the expansion stops? Refer to: http://www.universetoday.com/37018/big-crunch/

The Big Rip Follows the rules of general relativity.

"The expansion becomes so fast that it literally rips apart all bound objects," Better if you have an ending slide. Summarize your

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