< Page:The evolution of worlds - Lowell.djvu
This page has been validated.

Spectrogram of Saturn—Photographed by Dr. V. M. Slipher, Lowell Observatory, October 11, 1904. Exposure 4h on "27" gilt edge plate. Long camera placed beneath the slit. Titanium comparison spectrum. Enlargement by Mr. C. O. Lampland.

This article is issued from Wikisource. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.