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In the same work , Newton presented a calculus-like method of geometrical analysis using ' first and last ratios ' , gave the first analytical determination ( based on Boyle 's law ) of the speed of sound in air , inferred the oblateness of Earth 's spheroidal figure , accounted for the precession of the equinoxes as a result of the Moon 's gravitational attraction on the Earth 's oblateness , initiated the gravitational study of the irregularities in the motion of the Moon , provided a theory for the determination of the orbits of comets , and much more .
 Newton, Boyle, Earth, Moon, Earth, Moon
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Newton, Boyle, Earth, Moon, Earth, Moon