File:Compton Gamma Ray Observatory cutaway (labelled).jpg WikiZero

Summary

Description	English: This illustration of the Compton Gamma Ray Observatory shows the locations of its four instruments, the Burst And Transient Source Experiment (BATSE), the Oriented Scintillation Spectrometer Experiment (OSSE), the Imaging Compton Telescope (COMPTEL), and the Energetic Gamma Ray Experiment Telescope (EGRET).
Source	http://svs.gsfc.nasa.gov/12194 (image link)
Author	NASA/Goddard Space Flight Center

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