Edwin Powell Hubble1916
Hubble publishes measurements of twelve faint stars with detectable proper motions in the Astronomical Journal, contributing early astrometric work before his later concentration on nebulae.
United States of America · Science / Astronomy. Chronological records rendered directly from the World History Database.
Hubble publishes measurements of twelve faint stars with detectable proper motions in the Astronomical Journal, contributing early astrometric work before his later concentration on nebulae.
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