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 |
From inside the book
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Page 11
Bissextile , a year consisting of 366 days , by adding a day to the month of
February every 4th year . This day was by Julius Cæsar appointed to be the 24th
of March ( called by the Romans the 6th of the calends ) which being reckoned
twice ...
Bissextile , a year consisting of 366 days , by adding a day to the month of
February every 4th year . This day was by Julius Cæsar appointed to be the 24th
of March ( called by the Romans the 6th of the calends ) which being reckoned
twice ...
Page 12
The year is divided into 12 calendar months , viz . 7 of 31 days , 4 of 30 , and 1 of
28 or 29 . Central forces , are those by the influence of which the planets and
comets perform revolutions round their centres of motion , and are retained in
their ...
The year is divided into 12 calendar months , viz . 7 of 31 days , 4 of 30 , and 1 of
28 or 29 . Central forces , are those by the influence of which the planets and
comets perform revolutions round their centres of motion , and are retained in
their ...
Page 13
The Metonic or lunar cycle , a period of 19 years , after which the change , full ,
and other phases of the moon , will happen on the same days of the month , as in
the same year of a former cycle . 3. The cycle of Indiction , a period of 15 years ...
The Metonic or lunar cycle , a period of 19 years , after which the change , full ,
and other phases of the moon , will happen on the same days of the month , as in
the same year of a former cycle . 3. The cycle of Indiction , a period of 15 years ...
Page 16
Embolismic , or intercalary , a term applied to a lunar month occasionally thrown
in to bring up the lunar to the solar years .-- It is also applied to the 29th of
February , thrown in every 4th year to make the civil years correspond with the
solar .
Embolismic , or intercalary , a term applied to a lunar month occasionally thrown
in to bring up the lunar to the solar years .-- It is also applied to the 29th of
February , thrown in every 4th year to make the civil years correspond with the
solar .
Page 19
Lunar illuminative month , the time between the first appearance of one new
moon , and of the next . The ancient Jews ... Lunar periodical month , the time in
which the moon appears to make a revolution through the zodiac = 27 d . 7 h . 43
m .
Lunar illuminative month , the time between the first appearance of one new
moon , and of the next . The ancient Jews ... Lunar periodical month , the time in
which the moon appears to make a revolution through the zodiac = 27 d . 7 h . 43
m .
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Common terms and phrases
according angle anomaly appears attraction axis beginning body called carried cause centre circle clock comes conjunction dark degrees described diameter disc distance Earth Earth's centre eclipse egress equal equator fall figure fixed former four full Moon given globe goes greater greatest half hand heavens horizon inclined July June Jupiter keep latitude length less letter light London March mean Mercury meridian miles minutes month Moon Moon's morning motion move never night node noon north pole observed opposite orbit parallax parallel pass path period planets plate proportion quarter respect rising round satellites seconds seen Sept shadow shew side signs solar stars style Sun's suppose surface third tides tion transit tropic true turn Venus Venus's visible wheel whole
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...
Bibliographic information
| Title | 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 ... |
| Author | James Ferguson |
| Editor | Robert Patterson |
| Edition | 2 |
| Publisher | Matthew Carey, 1809 |
| Original from | the University of Michigan |
| Digitized | 17 Apr 2006 |
| Length | 533 pages |
| Export Citation | BiBTeX EndNote RefMan |