Labels:crt screen | grandstand | hakham | monitor | person | plant | sky | stairs | window OCR: File Edit Display Controls Information Events Panels Equa torial View Penguin Dictionary of Astronomy Contents Index Back Historu absorpti on line sharp dir in intensity nerrow wavelength range continuous spectrum In spectrum produced bv typical spectrograph in which the light pesses through narrow slit before being absorption lines have the appearance of dark lines cutting across at right engles to the direction of dispersion Absorption lines are characteristic of the spectra of' the majority of stars. the case of the Sun they are known as Fraunhofer lines Atoms are able to of precise wavelengths. The waveleng Dictionary 01 astronomy occurs are different for each chemice possible to identify by the elements prese RedShift contains the fu11y revi ised celestial body analysing which pue upd ...
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