An Introduction to the True Astronomy: Or, Astronomical Lectures,: Read in the Astronomical School of the University of OxfordHenry Lintot, 1739 - 396 páginas |
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Página 65
... Æquator and all its Parallels into equal Portions : And therefore , in that Cafe , the Sun and all the Stars would have remained as long above the Horizon , as they would have lain hid under it , and the Days would have been conftantly ...
... Æquator and all its Parallels into equal Portions : And therefore , in that Cafe , the Sun and all the Stars would have remained as long above the Horizon , as they would have lain hid under it , and the Days would have been conftantly ...
Página 66
... thing more required , than that it should have only the former two , with which alone it will neceffa- rily keep its Axis parallel to itself . SINCE the Plane of the Æquator does not Lecture coincide SINCE 66 ASTRONOMICAL.
... thing more required , than that it should have only the former two , with which alone it will neceffa- rily keep its Axis parallel to itself . SINCE the Plane of the Æquator does not Lecture coincide SINCE 66 ASTRONOMICAL.
Página 67
... Æquator does not Lecture coincide with the Plane of the Ecliptick , thefe VII . two Planes must cut one another in a right Line ; and while the Earth turns round the Sun , the common Section of these two Planes will likewife always ...
... Æquator does not Lecture coincide with the Plane of the Ecliptick , thefe VII . two Planes must cut one another in a right Line ; and while the Earth turns round the Sun , the common Section of these two Planes will likewife always ...
Página 68
... Æquator : But the fame cording to Line is alfo perpendicular to the Circle which the Place of bounds the Light and Darknefs ; and therefore the Eclip the Axis of the Earth will be in the Plane of that Circle , which will therefore pafs ...
... Æquator : But the fame cording to Line is alfo perpendicular to the Circle which the Place of bounds the Light and Darknefs ; and therefore the Eclip the Axis of the Earth will be in the Plane of that Circle , which will therefore pafs ...
Página 70
... Æquator and the Arctick Circle , are cut by the Circle bounding Light and Darkness , into unequal Portions ; the largest Portions of these Circles remaining in the Light , and the fmallest in Darkness : But thofe Parallels which are to ...
... Æquator and the Arctick Circle , are cut by the Circle bounding Light and Darkness , into unequal Portions ; the largest Portions of these Circles remaining in the Light , and the fmallest in Darkness : But thofe Parallels which are to ...
Outras edições - Ver tudo
An Introduction to the True Astronomy: Or, Astronomical Lectures,: Read in ... John Keill Visualização integral - 1739 |
An Introduction to the True Astronomy: Or, Astronomical Lectures, Read in ... John Keill Visualização integral - 1739 |
An Introduction to the True Astronomy: Or, Astronomical Lectures, Read in ... John Keill Pré-visualização indisponível - 2018 |
Palavras e frases frequentes
Æquator Aftronomers alfo alſo Altitude Angle Aphelion appear Arch arife Axis becauſe Body called Center Circle Circle of Latitude Co-fine Comet conftantly Conjunction Courſe defcribe Degrees Diameter Difference diftant Disk Diſtance diurnal Motion Eaft Earth Eccentrick Eclipfe Ecliptick equal Equator Equinoctial fame feem feen fhall fhew fhining fhould fince firft firſt fixed Stars fmall fome fometimes ftance ftill fuch fuppofe greateſt Heavens Horizon Hours increaſe inferior Planets Interfection itſelf Jupiter Latitude Lect Lecture lefs likewife Longitude Mars mean Anomaly Meaſure Meridian Minutes Moon Moon's moſt move muſt Nodes Number obferved oppofite Orbit paffes paffing thro Parallax parallel Penumbra Perihelion perpendicular Place Planet Plate Pofition Point Pole Proportion Quadrant Radius reft reprefent rifes right Afcenfion right Line round the Sun Saturn ſeen Semidiameter Shadow ſhall Sine Spectator Sun's Teleſcope thefe thence theſe thofe tion Triangle true true Anomaly Velocity Venus Vertex vifible Weft whofe