[/caption]
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.
Click here to download the episode.
Or subscribe to: astronomycast.com/podcast.xml with your podcatching software.