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 ... 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)

    “No ray is dimmed, no atom worn,
    My oldest force is good as new,
    And the fresh rose on yonder thorn
    Gives back the bending heavens in dew.”
    —Ralph Waldo Emerson (1803–1882)