5
Relativistic Doppler (
Red
) Shift
•
Classical Doppler Effect:
•
•
Also refer to
Δλ
/
λ
as the “redshift” or “
z
”
•
•
What if z is so large that v => c?
•
v
(z + 1)
2
- 1
•
c
(z + 1)
2
+ 1
=
Relativistic Doppler Shift