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Conception et construction de télescopes et astrographes amateurs

Pour les amateurs débutants… Dans cet ouvrage, les auteurs détaillent, étape par étape, la réalisation de téléscopes de voyage et d'astrographes. Depuis la conception jusqu'à la construction, ils expliquent l'élaboration des machines à tailler et polir les miroirs, la bonne manière de les tester à l'aide d'un interféromètre facile à réaliser, et la construction d'instruments spécialisés dans l'étude et l'observation du soleil. L'amat...

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Catastrophes, Chaos & Convolutions

James P. Hogan stands among the foremost writers of science fiction today, and is renowned for his ability to combine accurate science from the cutting edge of present-day research with living, breathing characters in fast-paced, suspenseful stories. Catastrophes, Chaos & Convolutions gives Hogan's thousands of avid readers both a solid-chunk of high-quality science fiction and a look behind the scenes, as Hogan describes how his...

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Astronomy: At Play in the Cosmos

A textbook that is not written like a textbook. Astronomy: At Play in the Cosmos brings popular science writing to a textbook. In every chapter, author Adam Frank―a co-writer of the NPR blog “13.7 Cosmos and Culture”―integrates two interviews with leading scientists, a fascinating second voice that drives the narrative while making astronomy feel immediate, relevant, and real for students, and still capturing science’s human nature.

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Mars Wars: The Rise and Fall of the Space Exploration Initiative

Mars Wars: The Rise and Fall of the Space exploration Initiative investigates one of the most important chapters in the history of the space program. This is a story of bureaucratic infighting, personality clashes, cultural struggles, and a deeply flawed policy that ultimately doomed an effort to provide direction to a directionless agency by sending humans to the red planet. On the 20th anniversary of the first human landing on the ...

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Electric Currents in Geospace and Beyond

Electric currents are fundamental to the structure and dynamics of space plasmas, including our own near-Earth space environment, or “geospace.”This volume takes an integrated approach to the subject of electric currents by incorporating their phenomenology and physics for many regions in one volume. It covers a broad range of topics from the pioneers of electric currents in outer space, to measurement and analysis techniques, and th...

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La matière noire, clé de l'univers ?

Une référence pour tous les passionnés de cosmologie ! Si ces dernières années de nombreuses découvertes ont permis de mieux connaître notre Univers, 95 % de son contenu, constitué de matière et d énergie noires, nous est encore aujourd hui totalement inconnu. Quelle est la nature de cette matière noire, de ces particules exotiques, sans lesquelles ne pourraient se former les galaxies ? L ouvrage, rédigé par Françoise Combes astrophy...

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Guide to the Universe: Asteroids, Comets, and Dwarf Planets

Geared toward students, this guide provides an overview of the small bodies that orbit the sun. • Thematic chapters enhance understanding of the broad concepts presented • 66 illustrations make it easier for students to grasp the subjects discussed • A glossary of scientific and astrology-related terms facilitates reading and understanding • A bibliography of useful resources puts readers on the right track to learn more about the su...

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Ancient Astronomy

An authoritative introduction to the fascinating topic of archaeoastronomy―ancient peoples' understanding and use of the skies. • Over 200 A–Z entries covering broad definitions and concepts, case studies from five continents, themes and issues, objects in the sky as the focus of myth, basic concepts, and influential people • Vibrant illustrations including the stone circles at Avebury, comets, novae, and meteors • Simple, jargon-fre...

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Guide de données astronomiques 2018

Ce guide est conçu pour répondre aux besoins de l'observateur, aussi bien professionnel qu'amateur : les positions des astres sont données mois par mois pour préparer les observations : tous les astres du mois sont lisibles d'un seul coup d'oeil ; un chapitre entier est dédié aux méthodes d'observation de différents phénomènes : l'observateur a toutes les clefs pour réaliser des observations scientifiquement utilisables, intégrer un ...

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Satellite Altimetry Over Oceans and Land Surfaces

Satellite remote sensing, in particular by radar altimetry, is a crucial technique for observations of the ocean surface and of many aspects of land surfaces, and of paramount importance for climate and environmental studies. This book provides a state-of-the-art overview of the satellite altimetry techniques and related missions, and reviews the most-up-to date applications to ocean dynamics and sea level. It also discusses related ...