Learning Exercise

Color in Astronomy

The nature of light and color is discussed. What color means in a photograph is demonstrated.
Course: Earth Science-Astronomy

This is a web version of a public talk I gave about color in astronomy pictures. The nature of light and color is... see more


Discuss the electromagnetic spectrum with the students and do an activity using
spectral glasses looking at different light sources (hydrogen, helium, sodium,
etc). Then students will go through the presentation at their own pace. At the
end of the presentation students will answer the assessment questions.


Electromagnetic Spectrum and the nature of light.

Learning Objectives

California State Standard: Earth Science 2d: Students know that stars differ in their life cycles and that visual, radio, and X-ray telescopes may be used to collect data that reveal those differences.