Type:

E-book, Lesson Plan

Description:

This lesson is part of the Athabasca University Astronomy 230: Northern Lights, Northern Skies course. In this lesson, you will learn how to define and give examples of deep-sky objects, how to discuss why galaxies are so challenging to observe, and how to explain the purpose of the Messier Catalogue.

Subjects:

  • Science > General
  • Science > Astronomy

Education Levels:

  • Higher Education
  • Graduate
  • Undergraduate-Upper Division
  • Undergraduate-Lower Division
  • Other

Keywords:

astronomy galaxy island universe milky way disk central bulge halo Hubble sequence spiral galaxy spiral elliptical galaxy irregular galaxy tuning-fork diagram deep-sky objects

Language:

English

Access Privileges:

Members

License Deed:

Creative Commons Attribution 3.0
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