Our eyes cover less than one octave of the electromagnetic spectrum.
Astronomical observations from low frequencyradio 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. Nicholas White (Director), within the Laboratory for High Energy Astrophysics at NASA's Goddard Space Flight Center.
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