Edwin Powell Hubble1923
Hubble reports measurements of the density distribution in photographic images of elliptical nebulae, an early step toward quantitative analysis of the light profiles of extragalactic systems.
United States of America · Science / Astronomy. Chronological records rendered directly from the World History Database.
Hubble reports measurements of the density distribution in photographic images of elliptical nebulae, an early step toward quantitative analysis of the light profiles of extragalactic systems.
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