Red Shift Flashcards
1
Q
There is an observer increase in the wavelength from most what
A
Distant galaxies
2
Q
The further away the galaxies are…
A
The faster they are moving and the bigger the observed increase in wavelength
RED SHIFT
3
Q
The observed red shift provides evidence for what
A
How the universe is expanding and supports the Big Bang theory
4
Q
Cosmic microwave background radiation is what
A
A form of electromagnetic radiation filling the universe
5
Q
Where does cosmic background radiation come from
A
Radiation that was present shortly after the beginning of the universe
6
Q
What theory can explain the existence of CMBR
A
Big Bang theory
7
Q
If a wave source is moving relative to an observer there will be what
A
A change in the observed wavelength and frequency
Known as Doppler effect
