Big Bang

Front

What does the Big Bang Theory explain?

Back

The Big Bang Theory explains how our universe began.

Tags

NGSS.HS-ESS1-2

Front

What observation supports the idea that galaxies are moving away from us?

Back

The redshift of light from distant galaxies indicates they are moving away.

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NGSS.HS-ESS1-2

Front

Why is the abundance of hydrogen and helium in the universe significant?

Back

Hydrogen and helium were two of the first elements to form following the Big Bang.

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NGSS.HS-ESS1-2

Front

What is the Cosmic Microwave Background Radiation (CMBR)?

Back

CMBR is the leftover heat from the Big Bang.

Tags

NGSS.HS-ESS1-2

Front

How old is the universe?

Back

The universe is roughly 13.7 billion years old.

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NGSS.HS-ESS1-2

Front

How old is our solar system compared to the universe?

Back

Our solar system was created about 5 billion years ago.

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NGSS.HS-ESS1-6

Front

What evidence supports the Big Bang Theory regarding the distribution of galaxies?

Back

The observation that galaxies are moving away from each other supports the Big Bang Theory.

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NGSS.HS-ESS1-2

Front

What are the first two elements formed after the Big Bang?

Back

Hydrogen and helium.

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NGSS.HS-ESS1-2

Front

What does the term 'redshift' refer to in astronomy?

Back

Redshift refers to the phenomenon where light from an object is shifted to longer wavelengths, indicating it is moving away from the observer.

Tags

NGSS.HS-ESS1-2

Front

What is the significance of the Cosmic Microwave Background Radiation in cosmology?

Back

CMBR provides evidence for the Big Bang and helps scientists understand the early universe.

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NGSS.HS-ESS1-2