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The Big Bang is a theory of what happened at the beginning of the universe. Astronomy and physics have shown that the universe did actually have a beginning, but we're not exactly sure of the origins of the Big Bang.

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the-pokedex:well this came to me one day but it is correct that the sun was getting to much energy so it blow up then the paticals of water came to the lava making rock and then the little rocks came to the main rock or the biggest making planets PS i am only 9

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11y ago
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9y ago

The answer is simple: we're not sure. As Alan Guth stated so well: "The Big Bang theory says nothing about what banged, why it banged, or what happened before it banged."

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Q: How did the big bang start expanding?
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What is big bang theory?

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


What happend after a few seconds of the big bang?

Right after the big bang happened, the universe was expanding at a speed of light. While it was expanding, it started to cool itself down since the big bang caused the universe to heat up to ridiculous temperature.


What was inside the space before big bang?

Most theorists will tell you that there was no space at all before the 'big bang'. Space itself began expanding along with the materials in the big bang.


What is the theory of the universe expanding out of enormous explosion?

The Big Bang theory


What year did the earth expand in the big bang theory?

It is the Universe that expanded, not specifically the Earth. Earth was formed much later than the Big Bang. The Universe continues expanding, though.It is the Universe that expanded, not specifically the Earth. Earth was formed much later than the Big Bang. The Universe continues expanding, though.It is the Universe that expanded, not specifically the Earth. Earth was formed much later than the Big Bang. The Universe continues expanding, though.It is the Universe that expanded, not specifically the Earth. Earth was formed much later than the Big Bang. The Universe continues expanding, though.

Related questions

Why is the univese expanding?

The universe is expanding because of force of big bang.


What is another name for the big bang?

the expanding universe


What big bang theory?

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


What is big bang theory?

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


What happend after a few seconds of the big bang?

Right after the big bang happened, the universe was expanding at a speed of light. While it was expanding, it started to cool itself down since the big bang caused the universe to heat up to ridiculous temperature.


What is the name for the idea that the universe is expanding?

Big Bang Theory


Is there a thing called the big crunch theory?

yes it states that the universe will stop expanding and start crunching back up to a state before the big bang


What was inside the space before big bang?

Most theorists will tell you that there was no space at all before the 'big bang'. Space itself began expanding along with the materials in the big bang.


What states that are between 15 and 20 billion years ago the universe began expanding out of an enormous explosion?

big bang theory


What bang theory?

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


Is the big bang theory still expanding?

Yes... You should know that


What is the theory of the universe expanding out of enormous explosion?

The Big Bang theory