Edwin Powell Hubble1917
Hubble follows his earlier work on NGC 2261 with a new Astrophysical Journal report describing additional changes in the variable nebula's visible structure.
United States of America · Science / Astronomy. Chronological records rendered directly from the World History Database.
Hubble follows his earlier work on NGC 2261 with a new Astrophysical Journal report describing additional changes in the variable nebula's visible structure.
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