Evidence about the Universe Flashcard Review (24-25)

Front

What color has the longest wavelength in the visible spectrum?

Back

Red

Front

What does a blue shift in a star's light indicate about its movement relative to Earth?

Back

The star is moving towards the Earth.

Tags

NGSS.HS-PS4-1

Front

What does it mean when we say the universe is expanding?

Back

The amount of space between galaxies is increasing.

Tags

NGSS.HS-ESS1-2

Front

What does redshift in distant galaxies indicate about the universe?

Back

The universe is expanding.

Tags

NGSS.HS-ESS1-2

Front

What color has the shortest wavelength in the visible spectrum?

Back

Violet

Tags

NGSS.HS-PS4-1

Front

What is the electromagnetic spectrum?

Back

The range of all types of electromagnetic radiation, including visible light.

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Front

What is the significance of the Doppler effect in astronomy?

Back

It helps determine whether an object in space is moving towards or away from us.

Tags

NGSS.HS-ESS1-4

Front

What is cosmic microwave background radiation?

Back

The afterglow radiation from the Big Bang, providing evidence for the universe's origin.

Tags

NGSS.HS-ESS1-2

Front

What is a galaxy?

Back

A massive system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity.

Tags

NGSS.MS-ESS1-2

Front

What is the Big Bang Theory?

Back

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