Lesson Plan: Types of Galaxies | Nagwa Lesson Plan: Types of Galaxies | Nagwa

Lesson Plan: Types of Galaxies

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to classify galaxies based on their shapes and the prominence of their features.

Objectives

Students will be able to

  • identify and describe spiral, barred spiral, elliptical, irregular, and ring galaxies,
  • know that spiral galaxies are the largest type of galaxy on average,
  • know that irregular galaxies are the smallest type of galaxy on average,
  • identify whether one galaxy has greater or lesser ellipticity than another,
  • identify whether one galaxy has a more or less prominent bar than another.

Prerequisites

Students should already be familiar with

  • what galaxies are.

Exclusions

Students will not cover

  • how galaxies form,
  • supermassive black holes,
  • galaxy rotation curves,
  • dark matter,
  • dark energy,
  • antimatter galaxies,
  • stellar populations,
  • star-forming regions.

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