Final - Unit 4 - Week 3 - The Universe Flashcards
1
Q
The study of the universe
A
Cosmology
2
Q
An as yet undiscovered form of energy that we cannot see
A
Dark Energy
3
Q
Matter in the universe that doesn’t exist
A
Dark Matter
4
Q
A change in frequency of a wave relative to an observer moving in relationship to the source of the wave
A
Doppler Effect
5
Q
Shift of wavelengths of light towards the red end of the spectrum, happens as a light source moves away from us
A
Redshift
6
Q
Everything that exists; all matter and energy; also includes all of space and time
A
Universe
