Skip to main content
Penn State College of Earth and Mineral Sciences Logo Penn State shield logo with links to Penn State homepage and College of Earth and Mineral Sciences
ASTRO 801: Planets, Stars, Galaxies, and the Universe 

User account menu

  • Log in
  1. Home
  2. Welcome to ASTRO 801

Lesson 9

  • Overview
  • The Spiral Nebulae and the Great Debate
  • Hubble's Tuning Fork and Galaxy Classification
  • Exotic Galaxies
  • Where do Galaxies Live?
  • Galaxy Interactions
  • Galaxy Formation and Evolution
  • The Distance Ladder
  • Additional Resources
  • Summary
  • Lab 3: The Hubble Ultra Deep Field

Book traversal links for Lesson 9

  • ‹ Summary
  • Up
  • Overview ›
Printer-friendly version

Search

Book navigation

  • Welcome to ASTRO 801
    • Lesson 1
    • Lesson 2
    • Lesson 3
    • Lesson 4
    • Lesson 5
    • Lesson 6
    • Lesson 7
    • Lesson 8
    • Lesson 9
      • Overview
      • The Spiral Nebulae and the Great Debate
      • Hubble's Tuning Fork and Galaxy Classification
      • Exotic Galaxies
      • Where do Galaxies Live?
      • Galaxy Interactions
      • Galaxy Formation and Evolution
      • The Distance Ladder
      • Additional Resources
      • Summary
      • Lab 3: The Hubble Ultra Deep Field
    • Lesson 10
    • Lesson 11
    • Lesson 12
    • Capstone Project

Author: Dr. Christopher Palma(link is external), Senior Lecturer in the Department of Astronomy and Astrophysics(link is external), The Pennsylvania State University.

Unless otherwise noted, this site is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License(opens in a new tab), part of Penn State's College of Earth and Mineral Sciences' OER Initiative and the Libraries’ Repository of Open and Affordable Materials (ROAM(opens in a new tab)).

The College of Earth and Mineral Sciences is committed to making its websites accessible to all users, and welcomes comments or suggestions on access improvements. Please send comments or suggestions on accessibility to the site editor. (opens email client).

The John A. Dutton Institute for Teaching and Learning Excellence is the learning design unit of the College of Earth and Mineral Sciences at The Pennsylvania State University. About the Institute | Contact Us | Email the Site Editor. (opens email client)

© The Pennsylvania State University | Privacy | Non Discrimination | Accessibility | Equal Opportunity | Copyright