Session 4: Invisible Light
Links: (all external links will open up a new browser window)
- What are Electromagnetic Waves? Meet the spectrum: Radio Waves
- Measuring the Electromagnetic Spectrum
- Multiwavelength Astronomy from CalTech
Interactive Online Activities
- Magic Windows: An introduction to the electromagnetic spectrum of light
- Cosmic Colors Interactive: See how we see different things in our solar system and in the Universe!
- Infrared Zoo: See different animals - in infrared!
Sources and Detectors
Making an Infrared Detection Circuit