File:1911 Britannica - Astronomy - Two orbits.png
Summary
| Description |
English: Celestial Mechanics. Two orbits, the sun being at C. Illustration from 1911 Encyclopædia Britannica, article Astronomy. |
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| Date | ||||
| Source |
Encyclopædia Britannica Eleventh Edition, Vol. 2, Page 806 |
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| Author | Encyclopædia Britannica, 1911 | |||
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Licensing
| This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1931. As such, this image is in the public domain in the United States. |
