Edwin Powell Hubble1926
Hubble publishes a detailed analysis of Messier 33 as a stellar system, using resolved stars and distance indicators to strengthen the case that spiral nebulae are independent galaxies.
United States of America · Science / Astronomy. Chronological records rendered directly from the World History Database.
Hubble publishes a detailed analysis of Messier 33 as a stellar system, using resolved stars and distance indicators to strengthen the case that spiral nebulae are independent galaxies.
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