Big Bang Theory and Evidence

Front

What does Hubble's Law state about the movement of galaxies?

Back

According to Hubble's Law, more rapidly moving galaxies are further away from us.

Tags

NGSS.HS-ESS1-2

Front

What does a Doppler blue shift indicate about a star's movement?

Back

A Doppler blue shift indicates that the star is moving toward us.

Front

What is cosmic background radiation?

Back

Cosmic background radiation is the afterglow of the Big Bang, providing evidence of its occurrence.

Tags

NGSS.HS-ESS1-2

Front

What does a red shift in spectral lines indicate about a star's movement?

Back

A red shift in spectral lines indicates that the star is moving away from Earth.

Tags

NGSS.HS-ESS1-2

Front

What is the significance of red shifted wavelengths from distant galaxies?

Back

Red shifted wavelengths from distant galaxies indicate an expanding universe.

Tags

NGSS.HS-ESS1-2

Front

What is the Big Bang Theory?

Back

The Big Bang Theory is the leading explanation for the origin of the universe, suggesting it began from a singular point and has been expanding ever since.

Tags

NGSS.HS-ESS1-2

Front

What is the relationship between distance and galaxy speed according to Hubble's Law?

Back

The relationship is that the farther away a galaxy is, the faster it is moving away from us.

Tags

NGSS.HS-ESS1-2

Front

What does the term 'Doppler effect' refer to in astronomy?

Back

The Doppler effect refers to the change in frequency or wavelength of light from an object moving relative to an observer.

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Front

What evidence supports the Big Bang Theory?

Back

Evidence supporting the Big Bang Theory includes cosmic background radiation and the observed red shift of distant galaxies.

Tags

NGSS.HS-ESS1-2

Front

How does the temperature of a star relate to its color?

Back

The temperature of a star determines its color; hotter stars appear blue, while cooler stars appear red.