What are stars? - Lesson 3
OUTCOME
By the end of the lesson you will be able to explain how spectroscopy is used to identify the composition and temperature of stars which then leads us to predict a stars age.
Spectroscopy is the key to investigating the universe
LEARNING TASKS
Explore
Explain and elaborate
What type of celestial bodies produce the different types of spectrum?
Evaluate
attempt the text questions
Q 8 - 18