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Author: A. Milani
Publisher:
ISBN: 9789401111492
Category :
Languages : en
Pages : 540
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Book Description
Author: A. Milani
Publisher:
ISBN: 9789401111492
Category :
Languages : en
Pages : 540
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Book Description
Author: A. Milani
Publisher: Springer Science & Business Media
ISBN: 9401111480
Category : Science
Languages : en
Pages : 531
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Book Description
THE MEETING The IAU Symposium 160 ASTEROIDS COMETS METEORS 1999 has been held at Villa Carlotta in Belgirate, on the shore of Lago Maggiore (Italy), from June 14 to June 18, 1993. It has been organized by the Astronomical Observatory of Torino and by the Lunar and Planetary Institute of Houston. It has been a very large meeting, with 323 registered participants from 38 countries. The scientific program included 29 invited reviews, 106 oral communications, and 215 posters. The subjects covered included all the aspects of the studies of the minor bodies of the solar system, including asteroids, comets, meteors, meteorites, interplanetary dust, with special focus on the interrelationships between these. The meeting was structured as follows. 5 morning plenary sessions have been devoted to invited reviews on: (1) search programs (2) populations of small bodies (3) dynamics (4) physical observations and modelling (5) origin and evolution. Two afternoon plenary sessions have been devoted to space missions to small bodies and to interrelationships between the different populations. The afternoon parallel sessions have been devoted to: dynamics of comets; Toutatis, Ida, Gaspra; physical processes in cometary comae and tails; meteorites; the cosmogonic message from cometary nuclei; physics of asteroids; the interplanetary dust complex; comet nuclei; meteors; composition and material properties of comets; dynamics of asteroids.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Alan W. Harris
Publisher:
ISBN:
Category : Asteroids
Languages : en
Pages : 734
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Book Description
Papers from the conference are presented and cover the following topics with respect to asteroids, comets, and/or meteors: interplanetary dust, cometary atmospheres, atmospheric composition, comet tails, astronomical photometry, chemical composition, meteoroid showers, cometary nuclei, orbital resonance, orbital mechanics, emission spectra, radio astronomy, astronomical spectroscopy, photodissociation, micrometeoroids, cosmochemistry, and interstellar chemistry.
Author: Petrus Matheus Marie Jenniskens
Publisher: Cambridge University Press
ISBN: 0521853494
Category : Science
Languages : en
Pages : 14
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Author: Nicholas Faulkner
Publisher: Britannica Educational Publishing
ISBN: 1680488759
Category : Young Adult Nonfiction
Languages : en
Pages : 128
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Book Description
This fascinating text is a perfect companion for any student interested in a more authoritative source on the subject of asteroids, meteors, meteorites, and comets. Readers will learn, following the Next Generation Science Standards in the area of the Earth and the solar system, the scientific differences between these four celestial objects. They'll also study their features, compositions, characteristics, classifications, and history of their observation. This book is perfect for the student doing a report on the subject or one who is curious about the space sciences and would like detailed information instead of a general overview.
Author: Tom Gehrels
Publisher: University of Arizona Press
ISBN: 0816547416
Category : Science
Languages : en
Pages : 1317
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Book Description
In 1993, the U.S. Department of Defense declassified information dealing with frequent explosions in the upper atmosphere caused by meteoric impact. It is estimated that impacts have occurred of a magnitude equivalent to the atomic bomb detonated at Hiroshima. Not all such space voyagers meet their end in the atmosphere, however; huge craters attest to the bombardment of earth over millions of years, and a major impact may have resulted in the extinction of dinosaurs. An impact in Siberia near the beginning of this century proves that such events are not confined to geologic time. Hazards Due to Comets and Asteroids marks a significant step in the attempt to come to grips with the threats posed by such phenomena. It brings together more than one hundred scientists from around the world, who draw on observational and theoretical research to focus on the technical problems related to all aspects of dealing with these hazards: searching for and identifying hazardous comets and asteroids; describing their statistics and characteristics; intercepting and altering the orbits of dangerous objects; and applying existent technologies—rocket boosters, rendezvous and soft-landing techniques, instrumentation—to such missions. The book considers defensive options for diverting or disrupting an approaching body, including solar sails, kinetic-energy impacts, nuclear explosives, robotic mass drivers, and various propulsion systems. A cataclysmic impact posing a threat to life on Earth is a possibility that tomorrow's technology is capable of averting. This book examines in depth the reality of the threat and proposes practical measures that can be initiated now should we ever need to deal with it.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: International Astronomical Union. Symposium
Publisher: Springer Science & Business Media
ISBN: 9780792345381
Category : Astrophysics
Languages : en
Pages : 630
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Book Description
Molecules are found in a large variety of astronomical environments, ranging from comets in the solar system to galaxies at high redshift. This book brings together astronomers, physicists and chemists to discuss the use of molecules as probes of astrophysical parameters, explore their role in the evolution of astronomical objects, and study the basic chemical processes that occur in space.
Author: Halina Pretka-Ziomek
Publisher: Springer Science & Business Media
ISBN: 9401713278
Category : Science
Languages : en
Pages : 453
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Book Description
This volume contains papers presented at the US/European Celestial Mecha nics Workshop organized by the Astronomical Observatory of Adam Mickiewicz University in Poznan, Poland and held in Poznan, from 3 to 7 July 2000. The purpose of the workshop was to identify future research in celestial mech anics and encourage collaboration among scientists from eastem and westem coun tries. There was a full program of invited and contributed presentations on selected subjects and each day ended with a discussion period on a general subject in celestial mechanics. The discussion topics and the leaders were: Resonances and Chaos-A. Morbidelli; Artificial Satellite Orbits-K. T. Alfriend; Near Earth Ob jects - K. Muinonen; Small Solar System Bodies - I. Williams; and Summary - P. K. Seidelmann. The goal of the discussions was to identify what we did not know and how we might further our knowledge. The size of the meeting and the language differences somewhat limited the real discussion, but, due to the excellence of the different discussion leaders, each of these sessions was very interesting and productive. Celestial Mechanics and Astrometry are both small fields within the general subject of Astronomy. There is also an overlap and relationship between these fields and Astrodynamics. The amount of interaction depends on the interest and efforts of individual scientists.
