NASA -National Aeronautics and Space Administration

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Ralph Instrument

Image of the Ralph instrument

Image credit: NASA

Image above of the Ralph instrument. The instrument has two separate channels: the Multispectral Visible Imaging Camera (MVIC) and the Linear Etalon Imaging Spectral Array (LEISA). A single telescope with a 3-inch (6-centimeter) aperture collects and focuses the light used in both channels.

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http://www.nasa.gov/mission_pages/newhorizons/multimedia/Ralph.html