File:09a-2moonperts.jpg

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English: Illustration of solar perturbations on the Moon in 2 positions of its orbit around the Earth (own work; part of it adapted from a diagram in F R Moulton (1914) "Instroduction to Celstial Mechanics", which is a work too old to be in copyright). Category: gravitation.
Date 12 October 2009 (original upload date)
Source This book
Author F R Moulton

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Terry0051 at en.wikipedia, the copyright holder of this work, hereby publishes it under the following license:
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Attribution: Terry0051 at en.wikipedia
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:09a-2moonperts.jpg

Some other countries: The author died more than 50 years ago. It is thus out of copyright in Hong Kong and some other places.

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  • 2009-10-12 14:52 Terry0051 2385×929× (100027 bytes) Illustration of solar perturbations on the Moon in 2 positions of its orbit around the Earth (own work; part of it adapted from a diagram in F R Moulton (1914) "Instroduction to Celstial Mechanics", which is a work too old to be in copyright). Category: g

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current13:30, 1 December 2011Thumbnail for version as of 13:30, 1 December 20112,385 × 929 (98 KB)File Upload Bot (Magnus Manske) (talk | contribs) {{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|Illustration of solar perturbations on the Moon in 2 positions of its orbit around the Earth (own work;

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