The American Library of Useful Knowledge, Volume 1Stimpson and Clapp, 1831 |
From inside the book
Results 6-10 of 22
Page 161
... planets and their moons roll . Our curves are not much less round than cir- cles ; the paths of the comets are long and narrow , so as , in many places , to be more nearly straight lines than cir- cles . They differ from the planets and ...
... planets and their moons roll . Our curves are not much less round than cir- cles ; the paths of the comets are long and narrow , so as , in many places , to be more nearly straight lines than cir- cles . They differ from the planets and ...
Page 162
... planets which he draws towards himself . These mutual attrac- tions give rise to many deviations from the simple line of the ellipse , and produce many irregularities in the simple calculation of the times and motions of the bodies that ...
... planets which he draws towards himself . These mutual attrac- tions give rise to many deviations from the simple line of the ellipse , and produce many irregularities in the simple calculation of the times and motions of the bodies that ...
Page 163
... planets move in ovals , from gravity , the power that attracts them , towards the sun , combined with the original impulse they received forwards ; and the disturbing forces are continually varying the course of the curves or ovals ...
... planets move in ovals , from gravity , the power that attracts them , towards the sun , combined with the original impulse they received forwards ; and the disturbing forces are continually varying the course of the curves or ovals ...
Page 164
... planets Jupiter and Saturn . Beside unfolding the general laws which regulate the motions and figures of the heavenly bodies forming our so- lar system , Astronomy consists in calculations of the places , times , and eclipses of those ...
... planets Jupiter and Saturn . Beside unfolding the general laws which regulate the motions and figures of the heavenly bodies forming our so- lar system , Astronomy consists in calculations of the places , times , and eclipses of those ...
Page 165
... planet Jupiter , which looks like a mere speck , from his vast distance , is nearly 1300 times larger than the earth ... planets , and their satellites , invisible to the naked eye , but to measure the height of mountains in the moon by ...
... planet Jupiter , which looks like a mere speck , from his vast distance , is nearly 1300 times larger than the earth ... planets , and their satellites , invisible to the naked eye , but to measure the height of mountains in the moon by ...
Other editions - View all
Common terms and phrases
ages ancient animals applied Archimedes Aristotle arts ascer astronomy bodies branches calculated called Cape Horn causes chemistry circle common contrivance curve cycloid degree discovered discovery distance doubt earth effect ellipse employed enabled equal existence experience fact feet force genius give Greek hand human ical important improvement inquiry instance intellectual invention Julius Cæsar Jupiter kind knowledge labor laws of nature less Leucippus light live Lord Bacon machinery mankind mathematical matter means mechanical mechanical philosophy men's party ment method mind moon moral motion move natural philosophy navigation Newton Novum Novum Organum object observation operations Organon parabola physical planets Plato pleasure practical prejudices principles properties proportion pursuit reasoning remark round safety-lamp sense side society speculations steam-engine substances supposed telescope things tion true truth whole wonderful words