Category:1919 in astronomy
Science: Archaeology · Astronomy · Biology · Chemistry · Geography · Geology · Mathematics · Medicine · Paleontology · Physics · Psychology ·
Deutsch: 1919 in der Astronomie
English: 1919 in astronomy
Македонски: Астрономијата во 1919 година
Русский: 1919 год в астрономии
Svenska: Astronomiåret 1919
Subcategories
This category has the following 6 subcategories, out of 6 total.
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Media in category "1919 in astronomy"
The following 2 files are in this category, out of 2 total.
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The elements of astronomy; a textbook (1919) (14779161891).jpg 2,504 × 2,392; 814 KB