Read The Astrophysical Journal, Vol. 49: An International Review of Spectroscopy and Astronomical Physics; January, 1919 (Classic Reprint) - American Astronomical Society | ePub Online

Read online The Astrophysical Journal, Vol. 49: An International Review of Spectroscopy and Astronomical Physics; January, 1919 (Classic Reprint) - American Astronomical Society file in ePub

Excerpt from The Astrophysical Journal, Vol. 49: An International Review of Spectroscopy and Astronomical Physics; January, 1919It would be unwise to assume' that all the dark places shown 011 photographs of the sky are due to intervening opaque masses between us and the stars. In a considerable number of cases no other explanation seems possible, but some of them are

Title : The Astrophysical Journal, Vol. 49: An International Review of Spectroscopy and Astronomical Physics; January, 1919 (Classic Reprint)
Author : American Astronomical Society
Language : en
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Uploaded : Apr 03, 2021

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