Front

What happens to spectral lines as a star is moving towards an observer?

Back

They are shifted towards the blue light.

Front

The distance light can travel in one year is ____________

Back

1 light-year.

Front

Which of the following is NOT true about the Big Bang Theory?

Back

It is the scientific explanation of how life began on Earth and evolved over time.

Tags

NGSS.HS-ESS1-2

Front

Light energy moves in ____________

Back

Waves.

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Front

A large grouping of stars, planets, gas, and dust in space held together by gravity is called a ____________

Back

Galaxy.

Tags

NGSS.MS-ESS1-2

Front

What is the scientific explanation for the origin of the universe?

Back

The Big Bang Theory.

Tags

NGSS.HS-ESS1-2

Front

What is the term for the observable universe and everything in it?

Back

Cosmos.

Front

What is the primary force that holds galaxies together?

Back

Gravity.

Tags

NGSS.HS-PS2-4

Front

What is the term for the shift in spectral lines towards the red end of the spectrum?

Back

Redshift.

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Front

What is the term for the shift in spectral lines towards the blue end of the spectrum?

Back

Blueshift.

Tags

NGSS.HS-ESS1-2