File:George Ellery Hale - The Law of Sun-Spot Polarity, Figure 1, 1924.jpg
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editDescriptionGeorge Ellery Hale - The Law of Sun-Spot Polarity, Figure 1, 1924.jpg |
English: Figure 1 from: George E. Hale: The Law of Sun-Spot Polarity, PNAS (Proceedings of the National Academy of Sciences), January 1, 1924, 10 (1) 53-55. https://doi.org/10.1073/pnas.10.1.53. |
Date | |
Source | https://www.pnas.org/doi/epdf/10.1073/pnas.10.1.53 |
Author | George Ellery Hale (1868-1938) |
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https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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current | 09:37, 3 June 2024 | ![]() | 898 × 372 (57 KB) | Hansmuller (talk | contribs) | Uploaded a work by George Ellery Hale (1868-1938) from https://www.pnas.org/doi/epdf/10.1073/pnas.10.1.53 with UploadWizard |
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