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Author

Earl C. Slipher

3 books found

Cover of A photographic study of the brighter planets

A photographic study of the brighter planets

Earl C. Slipher · First published 1964

Placeholder cover for The photographic story of Mars

The photographic story of Mars

Earl C. Slipher · First published 1962

Placeholder cover for The study of planetary atmospheres

The study of planetary atmospheres

Earl C. Slipher, Lowell Observatory · First published 1952