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
http://name.umdl.umich.edu/A52251.0001.001
Cite this Item
"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

Hypoth. VII.

Planetarum quinque primariorum, & (vel Solis cir∣ca Terram vel) Terrae circa Solem tempora periodica esse in ratione ses∣quialtera mediocrium distantiarum à Sole.

Haec à Keplero inventa ratio in confesso est apud omnes. Ea∣dem utique sunt tempora periodica, eaedem{que} orbium dimensiones, sive Planetae circa Terram, sive iidem circa Solem revolvantur. Ac de mensura quidem temporum periodicorum convenit inter Astro∣nomos universos. Magnitudines autem Orbium Keplerus & Bul∣lialdus omnium diligentissimè ex Observationibus determinaverunt: & distantiae mediocres, quae temporibus periodicis respondent, non

Page 404

differunt sensibiliter à distantiis quas illi invenerunt, suntque inter ipsas ut plurimum intermediae; uti in Tabula sequente videre li∣cet.

Planetarum ac Telluris Distantiae mediocres à Sole.
 
Secundum Keplerum951000.519650.152350.100000.72400.38806.
Secundum Bullialdum954198.522520.152350.100000.72398.38585.
Secundum tempora periodica953806.520116.152399.100000.72333.38710.

De distantiis Mercurii & Veneris à Sole disputandi non est lo∣cus, cum hae per eorum Elongationes à Sole determinentur. De distantiis etiam superiorum Planetarum à Sole tollitur omnis dispu∣tatio per Eclipses Satellitum Jovis. Etenim per Eclipses illas deter∣minatur positio umbrae quam Jupiter projicit, & eo nomine ha∣betur Jovis longitudo Heliocentrica. Ex longitudinibus autem Heliocentrica & Geocentrica inter se collatis determinatur distantia Jovis.

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