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Aldebaran analemma angle of position Answer appear Arcturus astronomers axis azimuth body Boötes brass meridian Bring the given Cape centre compass constellation diameter diurnal diurnal motion earth eastward ecliptic Elevate the pole English miles Epact equal equator equinoctial ExAMPLEs find the sun's fixed stars force frigid zone full moon given day given place globe westward graduated edge heavens hence horizon hour circle index has passed inhabitants Jupiter latitude length Libra London longest day longitude magnitude mark meridian altitude minutes month morning motion north latitude north or south north pole number of degrees o'clock oblique observed orbit parallels of latitude past noon Perioeci planet point Aries PROBLEM quadrant of altitude reckoning right ascension rise and set round the sun RULE semi-diameter set the index situated south pole sun rises sun's altitude sun's declination sun's meridian altitude sun's place tides tude turn the globe twilight Venus vertical
الصفحة 64 - Every body continues in its state of rest, or of uniform motion in a right line, unless it is compelled to change that state by forces impressed upon it.
الصفحة 175 - RULES TO KNOW WHEN THE MOVEABLE FEASTS AND HOLYDAYS BEGIN. EASTER DAY, on which the rest depend, is always the First Sunday after the Full Moon which happens upon, or next after the Twenty-first Day of March ; and if the Full Moon happens upon a Sunday, Easter Day is the Sunday after.
الصفحة iii - A New Treatise on the Use of the Globes; or, a Philosophical View of the Earth and Heavens: comprehending an Account of the Figure, Magnitude, and Motion of the Earth: with the Natural Changes of its Surface, caused by Floods, Earthquakes, &c.: together with the Principles of Meteorology and Astronomy: with the Theory of Tides, &c. Preceded by an extensive selection of Astronomical and other Definitions, Ac.
الصفحة 207 - Problem 12 : ihen elevate the pole as many degrees above the horizon as are equal to the latitude of that place, and bring it to the brass meridian ; so will it then be the zenith or centre of the horizon.
الصفحة iv - Co. of the said district, have deposited in this office the title of a book, the right whereof they claim as proprietors, in the words following, to wit : " Tadeuskund, the Last King of the Lenape. An Historical Tale." In conformity to the Act of the Congress of the United States...
الصفحة 238 - Elevate the globe to so many degrees above the horizon as are equal to the latitude of the place...
الصفحة 84 - ... the inclination of the axis of the earth to the plane of the ecliptic, and partly to the different positions in which a spectator is placed in different zones of the globe.
الصفحة 82 - In this case, it is obvious that the plane of the circle of illumination would be perpendicular to a line drawn from the centre of the sun to the centre of the earth...
الصفحة 172 - Indiction is 15. Solar Cycle: A period of 28 years, at the end of which the days of the month return to the same days of the week.