ESEMPIO
Robert Main:Rudimentary Astronomy
- nuovo libro ISBN: 9781147197013
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustra… Altro …
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1882 Excerpt: . the sun and planet would be on the opposite side to the earth, the three being nearly in a straight line; and at such times the geocentric and heliocentric longitudes (that is, the positions with regard to the first point of Aries measured from the centre of the earth and the centre of the sun) are the same. The observed arcs therefore obtained by comparing the observations made at successive oppositions will give the real advance of the planet in its orbit, notwithstanding its intermediate retrogradations. 215. We will now see how these motions are explained on the supposition of Jupiter describing an orbit exterior to that of the earth. Illustrating by a diagram, as before, let the inner circle represent the orbit of the earth, the middle one that of Jupiter (the disproportion of the orbits is, for convenience, not adequately represented), and the outer one a section of the sphere of the heavens. Let the earth and planet be at the same time at a and A, and, while the earth describes the arc a b, let the planet describe A B; the places of the planet will then be referred to the points L and M. It will therefore have appeared to describe the arc L M in the order of the signs, or with direct motion, and in this time it will have passed conjunction with the sun at some intermediate position, A'. Hence on either side of conjunction the apparent motion of a superior planet is direct. Let now c and o be positions of the earth and planet when c c is a tangent to the earth's orbit, the planet will evidently then appear stationary soon after passing N; but, after arcs c d, a D, have been described by the earth and planet, the latter will be referred to the point o, having appeared to move backwards or to retrograde through N O. It will then become in opposition Books Juvenile / Children's Nonfiction~~Children's Nonfiction~~JUVENILE NONFICTION~~General Rudimentary-Astronomy~~Robert-Main Nabu Press This is an EXACT reproduction of a book published before 1923. This IS NOT an OCR'd book with strange characters, introduced typographical errors, and jumbled words. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.<
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ESEMPIO
Robert Main:Rudimentary Astronomy
- libri usati ISBN: 9781147197013
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustra… Altro …
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1882 Excerpt: . the sun and planet would be on the opposite side to the earth, the three being nearly in a straight line; and at such times the geocentric and heliocentric longitudes (that is, the positions with regard to the first point of Aries measured from the centre of the earth and the centre This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1882 Excerpt: . the sun and planet would be on the opposite side to the earth, the three being nearly in a straight line; and at such times the geocentric and heliocentric longitudes (that is, the positions with regard to the first point of Aries measured from the centre of the earth and the centre of the sun) are the same. The observed arcs therefore obtained by comparing the observations made at successive oppositions will give the real advance of the planet in its orbit, notwithstanding its intermediate retrogradations. 215. We will now see how these motions are explained on the supposition of Jupiter describing an orbit exterior to that of the earth. Illustrating by a diagram, as before, let the inner circle represent the orbit of the earth, the middle one that of Jupiter (the disproportion of the orbits is, for convenience, not adequately represented), and the outer one a section of the sphere of the heavens. Let the earth and planet be at the same time at a and A, and, while the earth describes the arc a b, let the planet describe A B; the places of the planet will then be referred to the points L and M. It will therefore have appeared to describe the arc L M in the order of the signs, or with direct motion, and in this time it will have passed conjunction with the sun at some intermediate position, A'. Hence on either side of conjunction the apparent motion of a superior planet is direct. Let now c and o be positions of the earth and planet when c c is a tangent to the earth's orbit, the planet will evidently then appear stationary soon after passing N; but, after arcs c d, a D, have been described by the earth and planet, the latter will be referred to the point o, having appeared to move backwards or to retrograde through N O. It will then become in opposition Books, Juvenile / Children's Nonfiction~~Children's Nonfiction~~JUVENILE NONFICTION~~General, Rudimentary-Astronomy~~Robert-Main, 999999999, Rudimentary Astronomy, Robert Main, 1147197016, Nabu Press, , , , , Nabu Press<
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(*) Libro esaurito significa che il libro non è attualmente disponibile in una qualsiasi delle piattaforme associate che di ricerca.
ESEMPIO
Main, Robert:Rudimentary Astronomy
- edizione con copertina flessibile 2010, ISBN: 1147197016, Lieferbar binnen 4-6 Wochen Costi di spedizione:Versandkostenfrei innerhalb der BRD
Internationaler Buchtitel. In englischer Sprache. Verlag: Nabu Press, 248 Seiten, L=189mm, B=246mm, H=13mm, Gew.=449gr, [GR: 22800 - TB/Kinder- und Jugendbücher/Sachbücher], [SW: - Juven… Altro …
Internationaler Buchtitel. In englischer Sprache. Verlag: Nabu Press, 248 Seiten, L=189mm, B=246mm, H=13mm, Gew.=449gr, [GR: 22800 - TB/Kinder- und Jugendbücher/Sachbücher], [SW: - Juvenile Nonfiction / General], Kartoniert/Broschiert This is an EXACT reproduction of a book published before 1923. This IS NOT an OCR'd book with strange characters, introduced typographical errors, and jumbled words. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.<
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(*) Libro esaurito significa che il libro non è attualmente disponibile in una qualsiasi delle piattaforme associate che di ricerca.
Main, Robert:Rudimentary Astronomy
- edizione con copertina flessibile 2010, ISBN: 9781147197013
Nabu Press, Taschenbuch, 248 Seiten, Publiziert: 2010-03-10T00:00:01Z, Produktgruppe: Buch, 0.99 kg, Astronomie, Naturwissenschaften & Technik, Kategorien, Bücher, Taschenbücher, Fremdspr… Altro …
Nabu Press, Taschenbuch, 248 Seiten, Publiziert: 2010-03-10T00:00:01Z, Produktgruppe: Buch, 0.99 kg, Astronomie, Naturwissenschaften & Technik, Kategorien, Bücher, Taschenbücher, Fremdsprachige Bücher, Englische Bücher, Nabu Press, 2010<
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(*) Libro esaurito significa che il libro non è attualmente disponibile in una qualsiasi delle piattaforme associate che di ricerca.
Main, Robert:Rudimentary Astronomy
- edizione con copertina flessibile 2010, ISBN: 9781147197013
Nabu Press, Paperback, 248 Seiten, Publiziert: 2010-03-10T00:00:01Z, Produktgruppe: Book, 0.45 kg, Books Global Store, Special Features, Books, Children's Books, Subjects, Young Adult, Na… Altro …
Nabu Press, Paperback, 248 Seiten, Publiziert: 2010-03-10T00:00:01Z, Produktgruppe: Book, 0.45 kg, Books Global Store, Special Features, Books, Children's Books, Subjects, Young Adult, Nabu Press, 2010<
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(*) Libro esaurito significa che il libro non è attualmente disponibile in una qualsiasi delle piattaforme associate che di ricerca.