Edwin Powell Hubble1938
Hubble publishes The Nature of the Nebulae in Publications of the Astronomical Society of the Pacific, reviewing the physical and observational character of nebulae and external galaxies.
United States of America · Science / Astronomy. Chronological records rendered directly from the World History Database.
Hubble publishes The Nature of the Nebulae in Publications of the Astronomical Society of the Pacific, reviewing the physical and observational character of nebulae and external galaxies.
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