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

Explain and elaborate

What type of celestial bodies produce the different types of spectrum?

Evaluate

attempt the text questions

Q 8 - 18