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Periodicals --- Astronomy --- Observations. --- Astronomy - Observations.

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Bibliothèque Houziaux

Observations, Astronomical. --- Astronomy—Observations. --- Astronomy, Observations and Techniques. --- Astronomical observations --- Observations, Astronomical

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Dieses Buch thematisiert wesentliche Grundlagen der euklidischen Geometrie sowie mehrerer nichteuklidischer Geometrien und unterstützt damit Studierende der Mathematik, Physik, Astronomie, Geografie, Geodäsie und Nautik. Von den vielfältigen Bezügen zwischen ausgewählten Inhalten der euklidischen Geometrie, Taxi-Geometrie, projektiven, sphärischen und hyperbolischen Geometrie profitieren auch Studierende des Lehramtes Mathematik. Es erleichtert insbesondere die Einarbeitung in Fragestellungen der synthetischen Geometrie, speziellen und allgemeinen Relativitätstheorie, Astrometrie, Kartenentwürfe und Navigation. Kennzeichnende Merkmale dieses Buches sind seine Anbindung an schulische Vorkenntnisse sowie die Verdeutlichung von Begriffsbildungen und Vorgehensweisen durch verständnisfördernde Hintergrundinformationen, viele Abbildungen, ausführlich vorgerechnete Beispiele und detailliert beschriebene Konstruktionen. Wegen dieser didaktischen Konzeption eignet sich das Buch hervorragend zur Begleitung der Lehrveranstaltungen an der Hochschule, indem es die übliche algebraische Darstellung auf hohem Abstraktionsniveau „mit Leben erfüllt“ und verständlich macht. Die Besonderheit des Buches liegt darin, dass der Autor den Mut aufgebracht hat, auf einen vollständigen synthetischen Aufbau der angesprochenen Geometrien zugunsten von Querverbindungen zwischen ihnen zu verzichten. Um den Rahmen des Buches nicht zu sprengen und die Übersicht zu wahren, werden Beweise dann geführt, wenn es sich um zentrale Sätze handelt oder wenn typische Vorgehensweisen verdeutlicht werden können. Der Autor Jürgen Wagner ist Diplomlehrer für Physik und Mathematik und verfügt über umfangreiche Unterrichtserfahrungen in Physik, Mathematik, Astronomie und Informatik. Während seiner Tätigkeit als Referent für Mathematik am Sächsischen Bildungsinstitut war er Mitautor und Herausgeber mehrerer Handreichungen für Mathematiklehrer am Gymnasium sowie Mitglied in bzw. Leiter von länderübergreifenden Expertengruppen.

Geometry. --- Geophysics. --- Observations, Astronomical. --- Astronomy—Observations. --- Geometry. --- Geophysics/Geodesy. --- Astronomy, Observations and Techniques.

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In these pages, the reader can follow the engaging saga of astronomical exploration in the southern hemisphere, in a modern merger of aesthetics, science, and a story of human endeavor. This book is truly a celebration of southern skies.  Jerry Bonnell, Editor - Astronomy Picture of the Day The southern sky became accessible to scientific scrutiny only a few centuries ago, after the first European explorers ventured south of the equator. Modern observing and imaging techniques have since revealed what seems like a new Universe, previously hidden below the horizon, a fresh astronomical bounty of beauty and knowledge uniquely different from the northern sky. The authors have crafted a book that brings this hidden Universe to all, regardless of location or latitude. Treasures of the Southern Sky celebrates the remarkable beauty and richness of the southern sky in words and with world-class imagery. In part, a photographic anthology of deep sky wonders south of the celestial equator, this book also celebrates the human story of southern astronomy with an engaging and detailed history of key contributors to southern sky exploration. The accompanying text provides the reader with intriguing facts and useful information about the featured objects. The volume is arranged by southern hemisphere season and brings to the printed page many of the most provocative and beautiful astronomical images of our time, many in print for the first time. The collection of imagery covers a full range of deep sky astronomical objects, including the familiar and iconic as well as those that are more obscure but no less intriguing. Masterful, state of the art professional and amateur astrophotography highlights the authors' carefully selected deep sky "treasures." DUST JACKET: The beauty and richness of the southern night sky is legendary. From southern latitudes the finest globular clusters in the sky are visible to the unaided eye, as are the nearest galaxies, the Magellanic Clouds. The brightest part of the Milky Way passes overhead during the southern winter and the nearest bright star as well as the legendary asterism known as the Southern Cross are both observable throughout the year. Despite these stunning highlights, the southern sky has received has received less attention than its northern counterparty, and fewer photographs exist of its lesser known, yet equally stunning and intriguing objects. This visual anthology features striking photographic portraits of the most celebrated to the more obscure southern astronomical objects. Carefully selected world-class images have been assembled using the latest digital methods, revealing these southern gems in ways never before seen. To provide a context, the pictures capture the sky in variety of scales, from the wide vistas seen through hobby telescopes to the tiny fields relayed in exquisitely rich detail by the powerful optics of the largest professional telescopes, including the Hubbel Space Telescope and ESO's telescopes. The beauty of the night sky is on display in vivid color and dazzling detail. The presentation is further enhanced by a detailed history of southern sky exploration and lucid text that describes the southern night-sky wonders in ways that are engaging and non-technical.

Observations, Astronomical. --- Astronomy—Observations. --- Astronomy. --- Photography. --- Astronomy, Observations and Techniques. --- Popular Science in Astronomy.

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Many amateur astronomers live in urban and highly developed suburban areas, and many of them believe that they can’t observe deep-sky objects from such light-polluted locations. But it isn’t true. Given the right techniques, urban astronomers can routinely observe deep-sky objects night after night – something most of us would never do if it involved driving miles into the country to find a dark site. Rod Mollise has observed the entire Messier list from his urban backyard, without high-tech equipment, using only commercially-made telescopes and simple accessories. This is a guide to good deep-sky astronomy under bad skies. There are literally hundreds of spectacular objects to be seen from the average urban site. After dealing with equipment, locations and even urban safety, Rod invites you to join him on his virtual "walking tours" of the night sky, with physical and observational descriptions, at-the-eyepiece drawings, and photographs.

Astronomy --- Astronomy. --- Popular Science in Astronomy. --- Astronomy, Observations and Techniques. --- Observations, Astronomical. --- Astronomy—Observations. --- Astronomical observations --- Observations, Astronomical