P1.5 - Origins Of The Universe Flashcards
1
Q
What is the doppler effect?
A
Where sound/light waves are affected by motion of object emitting it
2
Q
What is the blue shift effect and what causes it?
A
When galaxy moving towards us
- Higher frequency
- Shorter wavelength
Makes galaxy appear blue
3
Q
What is the red shift effect and what causes it?
A
When galaxy moving away from us
- Lower frequency
- Higher wavelength
Makes galaxy appear red
4
Q
What is the Big Bang Theory?
A
A terrible American sitcom
5
Q
What REALLY is the Big Bang Theory?
A
The idea that the universe expanded from a single point
6
Q
What is CMBR?
A
Radiation energy left over from the Big Bang
7
Q
Name 2 pieces of evidence for the Big Bang Theory
A
Red shift effect
CMBR
