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physical object > artifact > device > instrument > optical device > detector > spectrograph > spectroheliograph |
spectroheliograph comparison table |
Subject | has definition | is a kind of |
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spectrograph | An instrument that records the amount of light in each range of wavelength, that is, in each range of color. In general, each type of astronomical object, such as a star or a galaxy, will emit a characteristic spectrum of light. (See spectrum.) | detector |
spectroheliograph | Device with which spectra of the various regions of the Sun are obtained and photographed. | spectrograph |
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