Edwin Powell Hubble1935
Hubble publishes an Astrophysical Journal note on reported angular rotations of spiral nebulae, addressing whether measurable internal angular motions were compatible with their extragalactic distances.
United States of America · Science / Astronomy. Chronological records rendered directly from the World History Database.
Hubble publishes an Astrophysical Journal note on reported angular rotations of spiral nebulae, addressing whether measurable internal angular motions were compatible with their extragalactic distances.
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