Big Bang Theory & Developing Universe!

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What is the Big Bang Theory?

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The Big Bang Theory is the leading explanation for the origin of the universe, stating that it began as a singularity approximately 13.8 billion years ago and has been expanding ever since.

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NGSS.HS-ESS1-2

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True or False: Atoms have always existed, even immediately after the Big Bang.

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False

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NGSS.HS-ESS1-2

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What evidence supports the expansion of the universe?

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The amount of space between galaxies is increasing.

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NGSS.HS-ESS1-2

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What does the Big Bang Theory explain the formation of?

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The Universe.

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NGSS.HS-ESS1-2

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What has been happening to the universe since it began?

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The universe has been expanding.

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NGSS.HS-ESS1-2

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What happened to the Universe immediately after the Big Bang?

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It expanded rapidly.

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NGSS.HS-ESS1-2

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What is a singularity in the context of the Big Bang Theory?

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A singularity is a point in space-time where density and gravity become infinite, marking the beginning of the universe.

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NGSS.HS-ESS1-2

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What is cosmic microwave background radiation?

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Cosmic microwave background radiation is the afterglow of the Big Bang, a faint radiation that fills the universe and provides evidence for the Big Bang Theory.

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NGSS.HS-ESS1-2

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What is redshift and how does it relate to the universe's expansion?

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Redshift is the phenomenon where light from distant galaxies shifts to longer wavelengths, indicating that those galaxies are moving away from us, supporting the idea of an expanding universe.

Tags

NGSS.HS-ESS1-2

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What is dark energy?

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Dark energy is a mysterious force that is thought to be responsible for the accelerated expansion of the universe.