Astr 5460     Wed., Feb. 5, 2003

	Today: WIRO: Saturday pending weather
	Reminders/Assignments
	Longair, Ch. 2 (Large Scale Struct.)
	Reading for Friday – Ch. 3
	Unless noted, all figs and eqs from Longair.
	Note: This class will meet W&F, 5440 will be M&W

Reminders/Preliminaries

	Astro-ph preprints for Friday:
		http://xxx.lanl.gov/astro-ph
	Physics Today
	Discuss homework assignment (briefly!)
		My source files posted on the webpage
		Isobe et al. 1990
	Redshifted BB curve, MAP, PLANCK

Large-scale Distribution of Galaxies

Large-scale Distribution of Galaxies

Large-scale Distribution of Galaxies

Large-scale Distribution of Galaxies

Hubble’s Law and Expansion

Hubble’s Law and Expansion

Hubble’s Law and Expansion

Hubble’s Law and Expansion

Hubble’s Law and Expansion

Hubble’s Law and Expansion

Hubble’s Law and Expansion

Hubble’s Law and Expansion

Conclusions

	On the largest scales it is appropriate to impose the conditions of isotropy and homogeneity, plus uniform expansion.
	These simplifications plus GR provide relatively simple “world models” that provide a framework for cosmology and the origin of galaxies and other large scale structures.