NASA’s Great Observatories – the Hubble Space Telescope, the Compton Gamma Ray Observatory (CGRO), the Chandra X-ray Observatory, and the Spitzer Space Telescope – were launched between 1990 and 2003, each intended to observe the universe in a different wavelength. Hubble, launched in 1990 and still operational today, observes primarily in visible light and near-ultraviolet.Continue reading “April 7, 1991: Compton Gamma Ray Observatory is deployed”
The post April 7, 1991: Compton Gamma Ray Observatory is deployed appeared first on Astronomy Magazine.
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