Edwin Powell Hubble1934
Edwin Hubble and Milton Humason publish a study of the velocity-distance relation for isolated extragalactic nebulae, testing the relation with systems selected outside rich clusters.
United States of America · Science / Astronomy. Chronological records rendered directly from the World History Database.
Edwin Hubble and Milton Humason publish a study of the velocity-distance relation for isolated extragalactic nebulae, testing the relation with systems selected outside rich clusters.
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