Horrebow peder (72 risultati)

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Elementa Doctrinae Sphaericae, Eller: En Kort Og Tilstraekkelig Underretning (1750) (German Edition)
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Paperback or Softback. Condizione: New. Basis Astronomiae: Sive, Astronomiae Pars Mechanica In Qua Describuntur Observatoria, Atque Instrumenta Astronomica Roemeriana Danica . Book.

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Hardback or Cased Book. Condizione: New. Basis Astronomiae: Sive, Astronomiae Pars Mechanica In Qua Describuntur Observatoria, Atque Instrumenta Astronomica Roemeriana Danica . Book.

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Da: Ria Christie Collections, Uxbridge, Regno UnitoRia Christie Collections
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Da: moluna, Greven, Germaniamoluna
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Condizione: New. KlappentextrnrnThis scarce antiquarian book is a facsimile reprint of the original. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have.

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Da: GreatBookPricesUK, Woodford Green, Regno UnitoGreatBookPricesUK
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Da: AHA-BUCH GmbH, Einbeck, GermaniaAHA-BUCH GmbH
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Taschenbuch. Condizione: Neu. Neuware - This scarce antiquarian book is a facsimile reprint of the original. Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting,… preserving, and promoting the world's literature in affordable, high quality, modern editions that are true to the original work.

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Da: moluna, Greven, Germaniamoluna
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Altre immaginiEditore: At the author's expense by Joannes Grammius, Copenhagen, 1727
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- Prima edizione
Da: SOPHIA RARE BOOKS, Koebenhavn V, DanimarcaSOPHIA RARE BOOKS
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Aggiungi al carrelloFirst edition. COPERNICUS TRIUMPHANT. First edition of one of the earliest printed works to announce stellar parallax, declaring that the Copernican system had at last been proved by observation. Drawing on Rømer's meridian records of bright stars such as Sirius and Vega-the same observational tradition that had earlier enabled…Rømer to establish the finite velocity of light-Horrebow interpreted their apparent annual shifts as evidence of the Earth's orbital motion. Issued as a decisive proof of heliocentrism, it was presented as the long-sought demonstration that Copernicus had demanded and that Tycho had denied. The absence of measurable stellar parallax had been the central empirical objection to Copernicus since the sixteenth century. In De revolutionibus Copernicus himself insisted that the motion of the Earth must be accompanied by an annual displacement of the stars; he explained the lack of observed parallax by positing that the fixed stars were at an immense, almost inconceivable distance. Tycho Brahe, in contrast, argued that if the Earth moved, the stars should shift visibly, and their failure to do so was proof that the Earth remained fixed. This was not a minor quibble but the main weapon against Copernicanism. As Tycho put it in the De mundi aetherei recentioribus phaenomenis (1588), the Copernican system required stars of unimaginable size at impossible distances-an absurdity in his view. Throughout the seventeenth century the search for parallax became a constant theme in observational astronomy. The invention of the telescope offered new possibilities, but the hoped-for demonstration remained elusive. Galileo had attempted to use double-star observations, but with inadequate instruments. Robert Hooke, in his Attempt to Prove the Motion of the Earth (1674), claimed to have measured the displacement of Gamma Draconis, but the result was spurious and quickly discredited. John Flamsteed, the first Astronomer Royal, made further attempts at Greenwich but also failed. Adrien Auzout and Jean Picard in Paris worked on the problem with longer telescopes and refined meridian instruments, without success. The persistence of these efforts shows how urgent the parallax question remained: heliocentrism could be argued on grounds of simplicity, physics, or elegance, but only a demonstration of parallax would supply the irrefutable geometrical proof. It was into this tradition that Horrebow's Copernicus triumphans entered. A pupil and later successor of Ole Rømer, Horrebow inherited not only his master's instruments but also his methods. Rømer had pioneered the use of transit instruments, perfecting meridian observations with telescopic sights. More famously, he had used the timings of Jupiter's satellite eclipses to infer the finite velocity of light, announcing the result in 1676. By the early eighteenth century his methods were a model of precision observational practice. Horrebow, steeped in this tradition, turned to Rømer's meridian records of bright stars in the hope of finding the parallax that Copernicus required and Tycho had denied. The treatise, printed in 1727 at Horrebow's own expense, is short but confident. He points to the annual displacements of Sirius and Vega, interprets them as parallactic, and concludes that the Copernican system has at last been demonstrated. Dedicated to the Crown Prince, the work has a ceremonial as well as scientific tone: it was not just a technical claim but a public assertion that the long-standing controversy was resolved. As Houzeau and Lancaster record, it is among the earliest printed attempts to prove the Earth's motion by stellar parallax (HL 12741). The displacements were real but misinterpreted. In 1729 James Bradley, observing with Samuel Molyneux, announced to the Royal Society his discovery of the aberration of light. Each star, he showed, describes a small ellipse in the sky over the course of a year, not because of parallax but because of the combination of the finite speed of light.

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Da: AHA-BUCH GmbH, Einbeck, GermaniaAHA-BUCH GmbH
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EUR 50,42
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Buch. Condizione: Neu. Neuware - This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.This work is in the 'public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this…work, as no entity (individual or corporate) has a copyright on the body of the work.Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

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Da: True World of Books, Delhi, IndiaTrue World of Books
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Aggiungi al carrelloLeatherBound. Condizione: New. BOOKS ARE EXEMPT FROM IMPORT DUTIES AND TARIFFS; NO EXTRA CHARGES APPLY. LeatherBound edition. Condition: New. Reprinted from 1727 edition. Leather Binding on Spine and Corners with Golden leaf printing on spine. Bound in genuine leather with Satin ribbon page markers and Spine with raised gilt ban…ds. A perfect gift for your loved ones. Pages: 72 NO changes have been made to the original text. This is NOT a retyped or an ocr'd reprint. Illustrations, Index, if any, are included in black and white. Each page is checked manually before printing. As this print on demand book is reprinted from a very old book, there could be some missing or flawed pages, but we always try to make the book as complete as possible. Fold-outs, if any, are not part of the book. If the original book was published in multiple volumes then this reprint is of only one volume, not the whole set. Sewing binding for longer life, where the book block is actually sewn (smythe sewn/section sewn) with thread before binding which results in a more durable type of binding. Pages: 72 Horrebow, Peder, 1679-1764.

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PAP. Condizione: New. New Book. Shipped from UK. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.
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Da: Herman H. J. Lynge & Søn ILAB-ABF, Copenhagen, DanimarcaHerman H. J. Lynge & Søn ILAB-ABF
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Aggiungi al carrelloLeipzig, Gleditsch & Grossius, 1736. 4to. No wrappers. In: "Nova Acta Eruditorum", Anno 1736, No. III (September March issue). Pp. 97-144 (entire issue ofefred). The review-paper: pp. 123-127 and 1 engraved plate showing Ole Roemer observing with one of his large instruments. Wide-margines. Some brownspots. Roemers astronomical…instruments were the best of his time. In the work by Peder Horrebow, Roemer's pupil and successor as professor in astronomy in Copenhagen, here reviewed, describes the instruments in detail as well as Roemer's observational methods.

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Da: PBShop.store UK, Fairford, GLOS, Regno UnitoPBShop.store UK
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PAP. Condizione: New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

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Da: True World of Books, Delhi, IndiaTrue World of Books
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Aggiungi al carrelloLeatherBound. Condizione: New. BOOKS ARE EXEMPT FROM IMPORT DUTIES AND TARIFFS; NO EXTRA CHARGES APPLY. LeatherBound edition. Condition: New. Reprinted from 1730 edition. Leather Binding on Spine and Corners with Golden leaf printing on spine. Bound in genuine leather with Satin ribbon page markers and Spine with raised gilt ban…ds. A perfect gift for your loved ones. Pages: 146 NO changes have been made to the original text. This is NOT a retyped or an ocr'd reprint. Illustrations, Index, if any, are included in black and white. Each page is checked manually before printing. As this print on demand book is reprinted from a very old book, there could be some missing or flawed pages, but we always try to make the book as complete as possible. Fold-outs, if any, are not part of the book. If the original book was published in multiple volumes then this reprint is of only one volume, not the whole set. Sewing binding for longer life, where the book block is actually sewn (smythe sewn/section sewn) with thread before binding which results in a more durable type of binding. Pages: 146 Horrebow, Peder, 1679-1764.

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- Print on Demand
Da: True World of Books, Delhi, IndiaTrue World of Books
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EUR 26,44
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Aggiungi al carrelloLeatherBound. Condizione: New. BOOKS ARE EXEMPT FROM IMPORT DUTIES AND TARIFFS; NO EXTRA CHARGES APPLY. LeatherBound edition. Condition: New. Reprinted from 1732 edition. Leather Binding on Spine and Corners with Golden leaf printing on spine. Bound in genuine leather with Satin ribbon page markers and Spine with raised gilt ban…ds. A perfect gift for your loved ones. Pages: 147 NO changes have been made to the original text. This is NOT a retyped or an ocr'd reprint. Illustrations, Index, if any, are included in black and white. Each page is checked manually before printing. As this print on demand book is reprinted from a very old book, there could be some missing or flawed pages, but we always try to make the book as complete as possible. Fold-outs, if any, are not part of the book. If the original book was published in multiple volumes then this reprint is of only one volume, not the whole set. Sewing binding for longer life, where the book block is actually sewn (smythe sewn/section sewn) with thread before binding which results in a more durable type of binding. Pages: 147.