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.


Ep. 130: Radio Astronomy

March 23rd, 2009

Episode 149 of 460 episodes

Astronomers are very resourceful, when it comes to light, they use the whole spectrum - from radio to gamma rays. We see in visible light, but that's just a tiny portion of the spectrum. Today we're going to celebrate the other end of the spectrum; the radio end, where photons really stretch out their wavelengths.