Encyclopædia Britannica: Or, A Dictionary of Arts, Sciences, and Miscellaneous Literature, 2. köide,2. osaColin Macfarquhar, George Gleig A. Bell and C. Macfarquhar, 1797 |
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Page 486
... centre of that force , if fuch a force act upon a refting body , it muft necef- farily put that body fo into motion as to cause it move towards the centre of the force : if the body were of itfelf moving towards that centre , it would ...
... centre of that force , if fuch a force act upon a refting body , it muft necef- farily put that body fo into motion as to cause it move towards the centre of the force : if the body were of itfelf moving towards that centre , it would ...
Page 505
... centre of gravity . Thus let A centre of ( in fig . 136. ) reprefent the fun , B a planet , and C their common centre of gravity . If these bodies were once at reft , they would directly approach each other by their mutual attraction ...
... centre of gravity . Thus let A centre of ( in fig . 136. ) reprefent the fun , B a planet , and C their common centre of gravity . If these bodies were once at reft , they would directly approach each other by their mutual attraction ...
Page 529
... centre , by 40 , the excefs of the earth's weight above the moon's , the quotient will be 6000 miles , which is the diftance of the common centre of gravity of the earth and moon from the earth's centre . ( A ) The ecliptic , together ...
... centre , by 40 , the excefs of the earth's weight above the moon's , the quotient will be 6000 miles , which is the diftance of the common centre of gravity of the earth and moon from the earth's centre . ( A ) The ecliptic , together ...
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Common terms and phrases
aftronomers againſt alfo alſo ancient angle appear Athenians Athens atmoſphere Attica aurora borealis axis becauſe body cafe called caufe cauſe centre circle comet confequently confiderable confifts defcribed degrees difcovered difk diftance diurnal motion earth eclipfe equal equator faid fame fatellites fays fecond feems feen fent feven feveral fhadow fhall fhip fhould fhows fide figns fince firft fituation fixed ftars fmall folar fome fometimes foon fouth fpots ftars ftate ftill fubject fuch fufficient fun's fuppofed furface fyftem greateſt himſelf increaſed inftrument interfects itſelf Jupiter king laft leaft lefs likewife mean Anomaly meaſure meridian moft moon moon's moſt motion move muft muſt node obferved occafion oppofite orbit paffing parallax perfon planets pofition pole prefent purpoſe reafon refpect reft reprefented rife round Saturn ſmall ſpace ſpots ſtars teleſcope thefe themſelves theſe thofe thoſe tion uſed Venus weft whofe