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 521
... axis SON is in motion upon the earth's centre O , in Explication fuch a manner as to defcribe the double cone NOn and SOs , round the axis of the ecliptic BO , in the time that the equinoctial points move quite round the ec- liptic ...
... axis SON is in motion upon the earth's centre O , in Explication fuch a manner as to defcribe the double cone NOn and SOs , round the axis of the ecliptic BO , in the time that the equinoctial points move quite round the ec- liptic ...
Page 538
... axis , a circle . Hence , in 365 days , the earth turns 366 Time , & c . whatever ftar passes over the meridian on any day with times round its axis ; and therefore , as a turn of the the fun , will pafs over the fame meridian on the ...
... axis , a circle . Hence , in 365 days , the earth turns 366 Time , & c . whatever ftar passes over the meridian on any day with times round its axis ; and therefore , as a turn of the the fun , will pafs over the fame meridian on the ...
Page 589
... axis ; which axis must be fo fupported that what is Aftronomi called the line of collimation , or line of fight of the te- cal Inftru- lefcope , may move in the plane of the meridian . This inftrument was firft made by the celebrated Mr ...
... axis ; which axis must be fo fupported that what is Aftronomi called the line of collimation , or line of fight of the te- cal Inftru- lefcope , may move in the plane of the meridian . This inftrument was firft made by the celebrated Mr ...
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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