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


home - login - register - about - sitemap
advanced search

Search Results

You may use the options below to change your display:
Alter display preferences

The following options can help you tailor your search display:

results per page
Restricted to General Topic: Astronomy
Restricted to Specific Topic: Galaxies
Restricted to Specific Topic Detail: Galactic Structure
Close your folders

Refine your search

Narrow your results

By Subject:

By Resource Type:

By Context:
  • (1)
  • (1)
  • (3)
  • (2)

By Collection:

Results #1-#3 of 3
sort by: relevance | subject | date | title | author
Match Score:
K. Miller and S. Miller
Post a comment
This tutorial begins with a description of Hubble's discovery that other galaxies exist besides the Milky Way and how these galaxies are classified. Hubble's classification…
Colliding Galaxies  [ Computer Program ]
Match Score:
W. Christian and K. Lim
Post a comment | Relations
The Colliding Galaxies Model is an implementation of Alar and Juri Toomres’ 1972 super computer model showing the formation of galactic bridges and tails under the assumption that…
Galaxy Zoo 
Match Score:
Publisher: Sloan Digital Sky Survey
Post a comment
Galaxy Zoo is an ongoing research project to classify millions of galaxies. The website has a short tutorial to teach the user how to classify the galaxies. Once the user has passed…