What is ray observatory?

Some articles on ray observatory, observatory, rays:

Compton Gamma Ray Observatory
... The Compton Gamma Ray Observatory (CGRO) was a space observatory detecting light from 20 KeV to 30 GeV in Earth orbit from 1991 to 2000 ... It featured four main telescopes in one spacecraft covering x-rays and gamma-rays, including various specialized sub-instruments and detectors ... Following 14 years of effort, the observatory was launched on the Space Shuttle Atlantis, mission STS-37, on 5 April 1991 and operated until its deorbit on 4 June 2000 ...

Famous quotes containing the words observatory and/or ray:

    Where there is an observatory and a telescope, we expect that any eyes will see new worlds at once.
    Henry David Thoreau (1817–1862)

    A small voice issued from a bed placed in utter darkness where no ray of light was admitted, complaining of bad nerves, low spirits, and terrible dreams.
    Sarah Fielding (1710–1768)