Astronomy Explained Upon Sir Isaac Newton's Principles: And Made Easy to Those who Have Not Studied Mathematics : to which are Added, a Plain Method of Finding the Distances of All the Planets from the Sun, by the Transit of Venus Over the Sun's Disc, in the Year 1761 : an Account of Mr. Horrox's Observation of the Transit of Venus in the Year 1639 : And, of the Distances of All the Planets from the Sun, as Deduced from Observations of the Transit in the Year 1761 |
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Page 9
... parallel to the equator , and at the same distance from the north pole that the tropics are from the equator . A circle similarly situate round the south pole , is called the antarctic circle . These are also frequently termed the north ...
... parallel to the equator , and at the same distance from the north pole that the tropics are from the equator . A circle similarly situate round the south pole , is called the antarctic circle . These are also frequently termed the north ...
Page 12
... parallels of altitude and of depression , parallels of terres- trial , and parallels of celestial latitude . Circles of celestial longitude , are those great circles of the sphere which cross the ecliptic at right angles . Circum ...
... parallels of altitude and of depression , parallels of terres- trial , and parallels of celestial latitude . Circles of celestial longitude , are those great circles of the sphere which cross the ecliptic at right angles . Circum ...
Page 15
... parallel to the Earth's axis , may point out the hour of the day . Dials are particularly denominated from the planes on which they are drawn ; as horizontal , equatorial , & c . Digit , the 12th part of the apparent diameter of the sun ...
... parallel to the Earth's axis , may point out the hour of the day . Dials are particularly denominated from the planes on which they are drawn ; as horizontal , equatorial , & c . Digit , the 12th part of the apparent diameter of the sun ...
Page 20
... parallel of latitude . Periscii , those whose shadows turn quite round during the day , the sun not setting - and such , at certain times of the year , are the inhabitants of the frigid zones . Phases of a planet , the various ...
... parallel of latitude . Periscii , those whose shadows turn quite round during the day , the sun not setting - and such , at certain times of the year , are the inhabitants of the frigid zones . Phases of a planet , the various ...
Page 22
... frequently distinguished by the epithets right , oblique , or parallel , according to the position of the equator and horizon : A right sphere , is that in which the equator cuts the ho- rizon at right angles , and such is the case ( 22 )
... frequently distinguished by the epithets right , oblique , or parallel , according to the position of the equator and horizon : A right sphere , is that in which the equator cuts the ho- rizon at right angles , and such is the case ( 22 )
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Common terms and phrases
angle appears April Aries ascending node beginning of egress body circle clock conjunction degrees diameter diurnal diurnal motion Dominical letter Earth's axis Earth's centre eclipse equal equator equinoctial equinox fixed stars full Moon globe goes round half heavens horizon horizontal parallax inclined Julian period July June Jupiter latitude Leap-Year London longitude lunar lunation March mean Anomaly mean distance Mercury meridian miles minutes Moon's orbit motion noon north pole observed opposite parallel path penumbra planets plate polar circles revolution right line rising round the Earth round the Sun satellites Saturn seconds seen semidiameter Sept shewn side signs solar south pole subtract Sun and Moon Sun's centre Sun's disc Sun's mean Sun's parallax suppose tides tion total ingress transit transit of Venus tropic tropic of Cancer tropic of Capricorn true turns round Venus Venus's visible
Popular passages
Page 420 - And he shall confirm the covenant with many for one week: and in the midst of the week he shall cause the sacrifice and the oblation to cease, and for the overspreading of abominations he shall make it desolate, even until the consummation, and that determined shall be poured upon the desolate.
Page 419 - Seventy weeks are determined upon thy people and upon thy holy city, to finish the transgression, and to make an end of sins, and to make reconciliation for iniquity, and to bring in everlasting righteousness, and to seal up the vision and prophecy, and to anoint the most Holy.
Page 419 - Know therefore and understand, That from the going forth of the commandment to restore and to build Jerusalem, unto the Messiah the prince, shall be seven weeks, and threescore and two weeks: the street shall be built again, and the wall, even in troublous times.
Page 6 - IDE, of the said District, hath deposited in this office, the title of a book, the right whereof he claims as proprietor, in the words following, to wit : " Inductive Grammar, designed for beginners. By an Instructer." In conformity to the act of the Congress of the United States...
Page 420 - And after threescore and two weeks shall Messiah be cut off, but not for himself. And the people of the Prince, that shall come, shall destroy the city and the sanctuary : and the end thereof shall be with a flood, and unto the end of the war desolations are determined.
Page 6 - An Act for the Encouragement of Learning, by securing the copies of Maps, Charts, and Books, to the authors and proprietors of such copies during the time* therein mentioned," and extending the benefits thereof to the arts of designing, engraving, and etching historical and other prints.
Page 383 - Aries, the Ram ; Taurus, the Bull ; Gemini, the Twins : Cancer, the Crab ; Leo, the Lion ; Virgo, the Virgin ; Libra, the Balance ; Scorpio, the Scorpion ; Sagittarius, the Archer ; Capricornus, the Goat ; Aquarius, the Water-bearer ; and Pisces, the Fishes.
Page 60 - ... wisely ordered by the Author of nature; for if the axis of this planet were inclined any considerable number of degrees, just so many degrees round each pole would in their turn be almost six of our years together in darkness. And as each degree of a great circle on Jupiter contains...
Page 263 - ... or entirely, intercepts our view of the sun ; the one is called a total, the other a partial, eclipse. Thus the solar eclipse is nothing more than the situation in which the earth is placed when the shadow of the moon falls upon it, and consequently, properly speaking, it is only an eclipse of that part of the earth where the moon's shadow falls. Hence we learn that the sun is not really darkened, but is only for a short space concealed from us by the intervention of another body, whilst he still...
Page 6 - Astronomy explained upon Sir Isaac Newton's principles, and made easy to those who have not studied Mathematics...