The Big Bang

Front

What is the most commonly accepted theory that explains the beginning of our known universe?

Back

Big Bang Theory

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NGSS.HS-ESS1-2

Front

What type of energy is light classified as?

Back

Electromagnetic energy

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Front

Approximately how long ago do scientists believe the universe began?

Back

13-14 billion years ago

Tags

NGSS.HS-ESS1-2

Front

What is one prediction of the Big Bang Theory?

Back

A cosmic shockwave throughout the universe should exist.

Tags

NGSS.HS-ESS1-2

Front

What does BLUE shifted light indicate about its wavelength?

Back

It has a shorter wavelength.

Tags

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Front

What is the significance of the cosmic microwave background radiation in relation to the Big Bang Theory?

Back

It is considered evidence of the Big Bang, as it represents the afterglow of the initial explosion.

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Front

What does the term 'redshift' refer to in the context of light from distant galaxies?

Back

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

Tags

NGSS.HS-ESS1-2

Front

What is the role of dark matter in the universe according to current scientific understanding?

Back

Dark matter is thought to make up a significant portion of the universe's mass and affects the motion of galaxies and galaxy clusters.

Front

What is the difference between the Big Bang Theory and the Steady State Theory?

Back

The Big Bang Theory posits that the universe had a beginning and is expanding, while the Steady State Theory suggests that the universe is eternal and maintains a constant average density.

Tags

NGSS.HS-ESS1-2

Front

What is the significance of the Hubble's Law in cosmology?

Back

Hubble's Law states that the farther away a galaxy is, the faster it is moving away from us, supporting the idea of an expanding universe.