Definitionadj. of or relating to or involving spectroscopy
Last update: June 11, 2015
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Aperture evoked the comment in his journal for that year, "There is not now a single person employed or instrument used in the observatory which was there in Mr Pond's time"; and the transformation was completed by the inauguration of spectroscopic work in 1868 and of the photographic registration of sun-spots in 1873. [Please select]
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These were doubtless two of the reasons which combined to inspire the elaborate preparations which were made for photographic and spectroscopic observations. [Please select]
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Perry conducted on this occasion spectroscopic observations for the first time on an eclipsed Moon, but no special results were obtained. [Please select]
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