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“spectroheliograph”
spectroheliograph
1. An instrument for taking photographs (spectroheliograms) of an image of the sun in monochromatic light or over a narrow band of wavelengths.
2. An apparatus for making photographs of the sun with a monochromatic light to show the details of the sun's surface and surroundings as they would appear if the sun emitted only that light.
2. An apparatus for making photographs of the sun with a monochromatic light to show the details of the sun's surface and surroundings as they would appear if the sun emitted only that light.
This entry is located in the following units:
helio-, heli-
(page 6)
spec-, spic-, spect-, spectat-, spectro- -spectr, -spectful, -spection, -spective
(page 10)