Astronomy Cast

Wizzard Media

Science & Medicine, Natural Sciences

Chart Positions

Natural Sciences 10
Science & Medicine 25

Astronomy Cast brings you a weekly fact-based journey through the cosmos.


Episode 16: Across the Electromagnetic Spectrum

December 25th, 2006

Episode 16 of 460 episodes

We see the Universe in visible light with our photon detecting eyes. We can feel infrared heat with our photon detecting hands, and we get sunburns with our ultraviolet photon detecting skin (ouch). But there's a whole spectrum of photons out there, from radio waves to gamma rays that astronomers use to understand the Universe. It's time to see the whole picture.