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adsabs.harvard.edu/full/1959AJ.....64...81F
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The theoretical value of the ratio of the axes of the nutational ellipse evidently does not need any correction. On the basis of these data some conclusions of a ...
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Nutation - Wikipedia, the free encyclopedia
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en.wikipedia.org/wiki/Nutation
Nutation (from Latin: nūtāre, to nod) is a rocking, swaying, or nodding motion in the axis of rotation of a largely axially symmetric object, such as a gyroscope, ...
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www.ncbi.nlm.nih.gov/pmc/articles/PMC440370/pdf/plntphy...
www.ncbi.nlm.nih.gov/pmc/articles/PMC440370/pdf/plntphys00519-0125.pdf
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of nutational ellipses from which the period of each oscillation could be calculated and the long and short axes of the ellipse could be measured with a ruler.
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curious.astro.cornell.edu/question.php?number=545
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Sep 5, 2003 ... What is the difference between nutation and precession of the Earth? ... of the precession motion plus the motion on the nutation ellipse (you ...
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linkinghub.elsevier.com/retrieve/pii/0273117781902507
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Oct 22, 2002 ... Immediately after the Plexiglas sheet was removed residual nutation .... amplitude (the long axis of the nutational ellipse was about 1 mm).
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aob.oxfordjournals.org/content/47/2/225.full.pdf
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(1980) of Helianthus circumnutation an effect of variation in the axially imposed g -force was a progressive change in the size of the nutational ellipse between ...
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cseligman.com/text/history/bradley.htm
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Stellar aberration produces an elliptical motion, circular at the Ecliptic poles, and ... was indeed a nutation of the Earth's axis, related to the motion of the Moon.
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www.springerlink.com/index/g81p1u163387p427.pdf
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and ~b is a phase-constant. Equation (22) represents a nutational ellipse of frequency kco, superposed on the smoothed long-periodic solution (21) of frequency ...
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www.wisegeek.com/why-do-the-planets-orbit-the-sun-in-an...
www.wisegeek.com/why-do-the-planets-orbit-the-sun-in-an-elliptical-fashion.htm
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Planets orbit in the shape of an ellipse because of the gravitational ... Kepler did not determine why the planets orbit in an ellipse, but his ... What Is Nutation?
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