Earth Science ASTRONOMY Vocab Review

The Doppler effect occurs when a source of waves and/or observer move relative to each other, resulting in the observer measuring a different frequency of the waves than the frequency that the source is emitting.

• true

• false

Tags

NGSS.HS-PS4-1

Which line spectra is moving away from you?

• Top (Red-shifted)

• Middle (Stationary)

• Bottom (Blue-shifted)

Tags

NGSS.HS-PS4-1

What is true about the universe? Hint: It's Hubble's Law!

• Everything is red-shifted, so it's expanding

• Everything is blue-shifted, so it's expanding

• Everything is red-shifted, so it's shrinking

• Everything is staying in the same place

Tags

NGSS.HS-ESS1-2

Rotation causes which of the following? 

• day/night
• seasons

Tags

NGSS.MS-ESS2-6

Revolution causes what?

• day/night
• seasons

Tags

NGSS.MS-ESS1-1

The change in direction of Earth's axis is what?

• rotation
• nutation
• revolution
• precession

Nutation is the change in the ___________ of Earth's axis?

• degree/tilt
• direction

What is barycenter?

• a change in the tilt/degree of Earth's axis 
  
• a change in the direction of Earth's axis
• the earth orbiting around the sun 
• point b/w 2+ objects where they balance/orbit each other

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Nutation causes Earth to do what?

• flip
• change orbit
• wobble
• change speed

Which galaxy is our solar system moving toward?

• Andromeda
• Milky Way

Tags

NGSS.MS-ESS1-2