Astronomy 350
Lecture 26, Oct 24
Fall 2011
Lecture Notes:
pdf file
Lifestyles in an Expanding Universe
expansion described: scale factor
expansion and areas, volumes
from Einstein to Hubble
analogies:
raisin cake
;
balloon
Expansion and Redshifts
animation in
balloon analogy
effect on galaxy
spectra
redshift
recordholder
cosmic time dilation: recently
confirmed
using distant
supernovae
Expansion and Cosmic Contents
effect on matter density
effect on radiation density
Expansion Explained: Friedmann's Equations
Lecture Archive
Brian D. Fields
Last modified: Mon Oct 24 10:14:34 CDT 2011