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grazing-incidence telescope |
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grazing-incidence telescope [′grāz·iŋ ¦in·səd·əns ′tel·ə‚skōp]
(astronomy) An instrument for forming images of celestial x-ray or gamma-ray sources in which the total external reflection of the x-rays or gamma rays from a surface at sufficiently shallow angles of incidence is used to focus them. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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