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It is the theory that the current universe started with a "big bang". To understand how the theory arose, it has been observed that the universe is expanding. If you imagine time going backwards, then the further back you go, the smaller the universe gets, at some point the universe is so small it is a singularity.

The big bang theory predicted that there would be a background noise from the explosion still detectible in deep space; the noise was detected - in fact, it's a problem in radio astronomy that there is always noise present.

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15y ago
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15y ago

The universe exists. This existence must have had a first cause, and therefore could not be infinite; the universe must have a beginning. Some cause, self-sufficient and not brought about by any other cause, must exist. interaction of somehow uncaused particles that were somehow in uncaused motion through somehow uncaused forces created an event which began the universe as we know it. This is called the Big Bang theory, and many, many questions still remain pertaining to the questions of the origin of the universe.

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7y ago

This is based (among other things) on the observable evidence that the Universe is expanding.

The basic idea is that everything in the observable Universe (which has a radius of about 46 billion light-years) started closely together, some 13.8 billion years ago, in a space smaller than an atom, and in an extremely dense and hot state. From there it expanded, and continues to expand today; after some time, stars and galaxies started forming. I suggest you read a more detailed explanation, as well as a timeline of different events, for example, in the Wikipedia article on "Big Bang".

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ckvideo

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4y ago

Matter was compressed into a single point and then exploded outward to form the universe - APEX

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All matter in the universe has expanded outward from a single point

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Wiki User

11y ago

the big bang theory is a cosmological model wich states that how was universe created and why it is expanding.

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10y ago

Concise synopsis of the big bang theory's background, historical foundations, major problems.

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Keya Maxwell

Lvl 5
1y ago

Matter was compressed into a simple point and then exploded outward to form the univers.

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Anonymous

Lvl 1
4y ago

The Universe was formed as a result of a massive explosion sending out material in all directions at a great speed

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Q: Which best describes the big bang theory?
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Which best describes the beginning of the big bang?

A blowing of a balloon best describes the BIG BANG best


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Latest theory is that the universe is expanding.


How is the big bang theory is an example od scienctific theory?

Hello i am minakshi answer is that the big bang theory is an example of old scientific theory as big bang theory explains that there was an explosion but the isotropy and the homogenity of the universe is not explained by big bang theory to explain his we connect inflatation theory with big bang theory to explain it so the big bang theory is also an example of old scientific theory.


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One myth about the Big Bang theory is that it suggests an explosion in empty space, when in fact it describes the rapid expansion of space itself. Another myth is that the Big Bang theory explains the origin of the universe from nothing, whereas it actually describes the early moments and subsequent evolution of the universe from a hot, dense state. Additionally, some people mistakenly believe that the Big Bang theory conflicts with religious beliefs, but many religious perspectives find harmony with scientific theories like the Big Bang.


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