Category:Ferdinand Ellerman
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American astronomer (1869–1940) | |||||
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Date of birth | 13 May 1869 Centralia | ||||
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Date of death | 20 March 1940 Los Angeles | ||||
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Media in category "Ferdinand Ellerman"
The following 8 files are in this category, out of 8 total.
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Drawing of sunspots 04-01-1917.jpg 2,346 × 1,367; 154 KB
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Ferdinand Ellerman (1869-1940).png 338 × 528; 18 KB
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Ferdinand Ellerman - Solar vortices, Mount Wilson Snow telescope, 9 September 1908.jpg 2,564 × 3,487; 4.45 MB
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Ferdinand Ellerman, c. 1920.jpg 4,195 × 5,586; 4.46 MB