The Astronomy Center has provided educational resources to introductory astronomy educators since 2003. Over the past 20 years, the rapid pace of discovery has rendered some of our linked resources obsolete. Thus, the Astronomy Center will be decommissioned on March 1, 2022. Our highest quality resources will be retained on ComPADRE.org.
This chapter covers the characteristics of other normal galaxies, active galaxies, and finding distances to other galaxies, including the distance-scale ladder. It also includes large-scale structure (galaxy clusters and collisions and superclusters). This website is part of Astronomy notes, an educational resource for introductory astronomy classes for undergraduates.
@misc{
Author = "Nick Strobel",
Title = {Other Galaxies and Active Galaxies},
Volume = {2025},
Number = {18 January 2025},
Month = {June 2, 2007},
Year = {2006}
}
%0 Electronic Source %A Strobel, Nick %D June 2, 2007 %T Other Galaxies and Active Galaxies %V 2025 %N 18 January 2025 %8 June 2, 2007 %9 text/html %U http://www.astronomynotes.com/galaxy/s1.htm
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