Occulting disk
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An occulting disk is a small disk placed centrally in the eyepiece of a telescope or at its focal point, to block the view of a bright object so that fainter objects can be seen more easily.[1][2]
The coronagraph, at its simplest, is an occulting disk in the focal plane of a telescope, or in front of the entrance aperture, that blocks out the image of the solar disk, so that the corona can be seen. Starshade is one designed to fly in formation with a space telescope to image exoplanets.
See also
[edit | edit source]- New Worlds Mission
- Space sunshade
- Telescope for Habitable Exoplanets and Interstellar/Intergalactic Astronomy
References
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