Abstract
Polar motion means motion of the Earth’s rotation axis with respect to the Earth’s surface. The possibility for such a motion of the Earth’s rotation axis was first suggested by Leonhard Euler in 1765. It should reflect itself in elevation variations of the pole with a period of about 10 months. The observational verification by means of latitude variations, however, remained unsuccessful for a long time.
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Soffel, M., Langhans, R. (2013). From the GCRS to the ITRS. In: Space-Time Reference Systems. Astronomy and Astrophysics Library. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-30226-8_9
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DOI: https://doi.org/10.1007/978-3-642-30226-8_9
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