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current | 13:49, 22 August 2009 | 600 × 879 (92 KB) | Henrykus | {{Information |Description= Secchi's four classes of stellar spectra, from a colored lithograph in a book published around 1870. This shows how someone looking through a spectrograph on a large telescope would see the spectrum from the brightest stars. Th |
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Original file (600 × 879 pixels, file size: 92 KB, MIME type: image/jpeg)
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 13:49, 22 August 2009 | 600 × 879 (92 KB) | Henrykus | {{Information |Description= Secchi's four classes of stellar spectra, from a colored lithograph in a book published around 1870. This shows how someone looking through a spectrograph on a large telescope would see the spectrum from the brightest stars. Th |
The following other wikis use this file: