Astronomy Cast

Wizzard Media

Science & Medicine, Natural Sciences

Chart Positions

Science & Medicine 55
Natural Sciences 19

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


Ep. 398: Seeing Things: Emitting, Reflecting, Ionizing Light

January 4th, 2016

Episode 432 of 460 episodes

Astronomers gather electromagnetic radiation with the telescopes: mostly visible light. But sometimes they've got to be clever about where they look for these elusive photons. Light can get emitted, absorbed, reflected, and each method tells astronomers a little more about what they're looking at.