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The Electromagnetic Spectrum

Our eyes cover less than one octave of the electromagnetic spectrum. Astronomical observations from low frequency radio waves to ultra-high energy gamma-rays cover more than 65 octaves.

Imagine the Universe is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA's Goddard Space Flight Center.

The Imagine Team
Acting Project Leader: Dr. Barbara Mattson
All material on this site has been created and updated between 1997-2012.

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