Edwin Powell Hubble1926
Hubble presents work on the classification, apparent dimensions, absolute dimensions and spatial distribution of non-galactic nebulae, extending his statistical description of the external universe.
United States of America · Science / Astronomy. Chronological records rendered directly from the World History Database.
Hubble presents work on the classification, apparent dimensions, absolute dimensions and spatial distribution of non-galactic nebulae, extending his statistical description of the external universe.
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