Red Shift Flashcards
0
Q
About how long ago do scientists believe the universe began
A
13,700 millions years ago
1
Q
What piece of evidence supports the Big Bang Theory
A
The more distant galaxies are moving the quickest
2
Q
Why is the light from distant galaxies red-shifted?
A
They are moving away from us
3
Q
According to the Doppler effect, what happens to sound waves emitted at a constant pitch cd a carping towards you?
A
Their frequency increases, so their pitch increases
4
Q
What is the CMBR
A
Cosmic microwave background radiation
