electromagnetic spectrum

Radio waves emitted by Saturn’s moon Enceladus graphed as frequency (vertical axis) versus time. Colors represent intensity (strength of radio waves, or volume of sound). Credit: NASA/JPL-Caltech

Listen to the eerie wail of an icy moon of Saturn

By Phil Plait 3 years ago

The Trifid Nebula in infrared light. Credit: ESO/VVV consortium/D. Minniti/Gábor Tóth

A cosmic flower blooms invisibly

By Phil Plait 3 years ago

Fear not, human! It doesn’t have access to gamma rays. Probably. Credit: Universe of Learning

A Little Light Music — The Electromagnetic Spectrum, the Musical

By Phil Plait 3 years ago