The Big Bang Theory

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What are the heavier elements formed in the universe and where are they formed?

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Heavier elements like iron (Fe), silicon (Si), and magnesium (Mg) are formed in the interior of stars much later in the universe's timeline.

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NGSS.HS-ESS1-3

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

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A singularity is an infinitely small, hot area of infinite pressure and density.

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NGSS.HS-ESS1-2

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How did our solar system form?

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Our solar system formed after an ancient star died, leaving behind a nebula.

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NGSS.HS-ESS1-6

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What evidence supports the Big Bang Theory?

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The universe is expanding.

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NGSS.HS-ESS1-2

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Where are heavy elements like carbon, oxygen, silicon, and iron formed?

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Heavy elements are formed in red giants or red supergiants.

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NGSS.HS-ESS1-3

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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, proposing that it began from a singularity and has been expanding ever since.

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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 radiation from the Big Bang, providing evidence for the theory.

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NGSS.HS-ESS1-2

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What role do supernovae play in the formation of elements?

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Supernovae are explosive deaths of stars that create and disperse heavy elements into space.

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NGSS.HS-ESS1-3

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What is nucleosynthesis?

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Nucleosynthesis is the process by which elements are formed through nuclear reactions in stars.

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NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

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What is the significance of red giants in stellar evolution?

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Red giants are stars that have exhausted their hydrogen fuel and have expanded, playing a crucial role in the formation of heavier elements.

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NGSS.HS-ESS1-3