Hactenus de motibus Lunae quatenus Excentricitas Orbis non consideratur. Similibus computationibus inveni, quod Apogaeum, ubi in Conjunctione vel Oppositione Solis versatur, progreditur sin∣gulis diebus 23' respectu Fixarum; ubi verò in Quadraturis est, re∣greditur singulis diebus 16⅓ circiter: quodque ipsius motus medius annuus sit quasi 40 gr. Per Tabulas Astronomicas à Cl. Flamstedio ad Hypothesin Horroxii accommodatas, Apogaeum in ipsius Syzygiis progreditur cum motu diurno 24'.28", in Quadraturis autem re∣greditur cum motu diurno 20'.12", & motu medio annuo 40 gr. 41' fertur in consequentia. Quod differentia inter motum diur∣num progressivum Apogaei in ipsius Syzygiis, & motum diur∣num regressivum in ipsius Quadraturis, per Tabulas sit 4'.16", per computationem verò nostram 6'⅔, vitio Tabularum tribuendum esse
Philosophiæ naturalis principia mathematica autore Js. Newton ...
About this Item
- Title
- Philosophiæ naturalis principia mathematica autore Js. Newton ...
- Author
- Newton, Isaac, Sir, 1642-1727.
- Publication
- Londini :: Jussu Societatis Regiae ac Typis Josephi Streater ...,
- 1687.
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- Subject terms
- Mechanics -- Early works to 1800.
- Celestial mechanics -- Early works to 1800.
- Link to this Item
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http://name.umdl.umich.edu/A52251.0001.001
- Cite this Item
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"Philosophiæ naturalis principia mathematica autore Js. Newton ..." In the digital collection Early English Books Online. https://name.umdl.umich.edu/A52251.0001.001. University of Michigan Library Digital Collections. Accessed June 10, 2024.
Pages
Page 463
suspicamur. Sed neque computationem nostram satis accuratam esse putamus. Nam rationem quandam ineundo prodiere Apogaei motus diurnus progressivus in ipsius Syzygiis, & motus diurnus re∣gressivus in ipsius Quadraturis, paulo majores. Computationes autem, ut nimis perplexas & approximationibus impeditas, neque satis accuratas, apponere non lubet.