Astronomy 350
Lecture 33, Nov 11
Fall 2011
Lecture Notes:
pdf file
The Atomic Age
microphysics:
recombination
ionized (
plasma
) to neutral (gas)
opaque to transparent
surface of last scattering
Cosmic Microwave Background Fluctuations
the CMB sky
, normal contrast
high-contrast (1000X): CMB
dipole
higher contrast (100,000X):
COBE (1995)
--
recognized
as landmark result
WMAP
(2003):
image making:
raw
,
final product
COBE vs WMAP
fluctuations vs angular scale:
WMAP power spectrum
cool WMAP
movies
physical
origin
of fluctuations
polarization:
from WMAP
Lecture Archive
Brian D. Fields
Last modified: Fri Nov 11 10:22:09 CST 2011