Main content
Course: Exploratorium > Unit 2
Lesson 4: CD Spectroscope- Introduction: Turn an old CD into a spectroscope to analyze light and color
- Build your own CD spectroscope: Materials, tools, and steps
- To do and notice: See the true colors
- What’s going on: Spreading light into a spectrum
- CD Spectroscope: Complete activity guide
© 2024 Khan AcademyTerms of usePrivacy PolicyCookie Notice
To do and notice: See the true colors
Point your CD spectroscope at different light sources to see their true colors! You might even get lucky and reveal some Fraunhofer lines (read the complete activity guide for more information). Safety note: never point your CD spectroscope directly at the sun.
Want to join the conversation?
- is there any harm in looking at Sun with the CD spectroscope and if there is any , then why?(4 votes)
- He said that you should not look at the sun. You cannot look at the sun because it so bright it will make you go blind.(3 votes)