13. The Realm of the Nebulae

Last: 12. The Milky Way and Other Galaxies Next: 14. The Big Bang

Topics:

Reading:

    Ch. 11CLUSTERS AND SUPERCLUSTERS (p. 246)
    Ch. 11-14Galaxies are gravitationally bound into clusters and superclusters
    Ch. 11-15Clusters of galaxies may appear densely or sparsely populated and regular or irregular in shape
    Ch. 11-16Galaxies in a cluster can collide and combine
    Ch. 11-17Galactic halos may account for some of the dark matter in the universe
    Ch. 11SUPERCLUSTERS IN MOTION (p. 252)
    Ch. 11-18The redshifts of superclusters indicate that the universe is expanding

Web Resources:

Homework 13: Hubble's Law, due 11/27.


Joshua E. Barnes (barnes@ifa.hawaii.edu)

Last modified: November 20, 2001
http://www.ifa.hawaii.edu/~barnes/ast110/trotn.html