Earth Science Unit 5 Vocab Review

Front

Doppler effect: When a source of waves and an observer move relative to each other, the observer measures a different frequency than emitted.

Back

True

Front

Line spectra moving away:

Back

Top (Red-shifted)

Front

True about the universe: Hubble's Law

Back

Everything is red-shifted, so it's expanding

Front

Rotation causes:

Back

day/night

Front

Revolution causes:

Back

seasons

Front

Change in direction of Earth's axis?

Back

Precession

Front

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

Back

degree/tilt

Front

Barycenter:

Back

Point between 2+ objects where they balance/orbit each other.

Front

Effect of nutation on Earth?

Back

wobble

Front

Galaxy our solar system is moving toward:

Back

Andromeda