SES4U – Unit 1 – Lesson 1: History of Astronomy

Image of Earth from Space



100 minutes

Lesson Objective

  • To learn about the history of astronomy.

Lesson Outcomes

  • List the main developments and discoveries in astronomy.
  • Describe some major historical changes which have occurred in astronomical concepts.
  • Give examples of what we used to believe and why, and what new technology did to change our view of the universe.

The Lesson


  1. Starter: Astronomy word cloud.
  2. Task 1 | Crash Course Astronomy | What is Astronomy?
  3. What is Astronomy? Teacher led discussion and note taking.
  4. Important Astronomers | Teacher led discussion and note taking.
  5. Review: Jelly Bean Universe!

Assignment 1.1 | Astronomy Project

GlobalGeek Resources

External Resources

Jelly Bean Universe

The History of Astronomy
Crash Course Astronomy – Introduction to Astronomy