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Space Telescopes and Observatories (Astronomical Instruments) /
Published 2012“…The Compton Gamma Ray Observatory (CGRO) was the second of the NASA "Great Observatories" to be launched into space, following the Hubble Space Telescope. …”
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software, multimedia -
2
Hubble Space Telescope (Most Versatile Space Telescope) /
Published 2012“…The HST is one of NASA's Great Observatories, along with the Compton Gamma Ray Observatory, the Chandra X-ray Observatory, and the Spitzer Space Telescope. …”
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software, multimedia