Edwin Powell Hubble1929
Hubble publishes a preliminary estimate of the Coma cluster of nebulae in Publications of the Astronomical Society of the Pacific, extending his quantitative work to a rich galaxy cluster.
United States of America · Science / Astronomy. Chronological records rendered directly from the World History Database.
Hubble publishes a preliminary estimate of the Coma cluster of nebulae in Publications of the Astronomical Society of the Pacific, extending his quantitative work to a rich galaxy cluster.
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