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Cassegrain telescope |
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Cassegrain telescope [ˈkæsɪˌgreɪn] n (Astronomy) an astronomical reflecting telescope in which incident light is reflected from a large concave paraboloid mirror onto a smaller convex hyperboloid mirror and then back through a hole in the concave mirror to form the image [named after N. Cassegrain, 17th-century French scientist who invented it] How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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To perform these measurements, Scripps-EPIC uses a 4 million element charge coupled detector array attached to a 30 cm Cassegrain telescope with 10 wavelength channels in the ultraviolet, visible, and near-infrared spectral regions. |
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