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Author: Seymour Simon
Publisher: Paw Prints
ISBN: 9781442057449
Category : Asteroids
Languages : en
Pages : 0
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Book Description
Explores how comets, meteors, and asteroids move through our solar system, and explains the ingredients that make a comet's tail and other topics
Author: Seymour Simon
Publisher: Paw Prints
ISBN: 9781442057449
Category : Asteroids
Languages : en
Pages : 0
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Book Description
Explores how comets, meteors, and asteroids move through our solar system, and explains the ingredients that make a comet's tail and other topics
Author: Ron Miller
Publisher: Twenty-First Century Books
ISBN: 0761372792
Category : Juvenile Nonfiction
Languages : en
Pages : 84
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Book Description
From earliest times, humans have wondered about the sky above them and have studied all visible objects. People began to identify differences between stars and planets, and as technology advanced with telescopes and space probes, they sought deeper understanding of the millions of bits of debris rocketing through the solar system. Scientists determined that most of these objects are left over from the creation of the planets and their moons. They classified these leftovers into categories such as asteroids, comets, and meteors. In this book, we'll explore seven wonders of asteroids, comets, and meteors. Ceres is a huge mountain-sized asteroid that orbits with other asteroids between Mars and Jupiter. Other marvels include Ganymede, the largest asteroid in the group called Earthgrazers or Near-Earth Objects, and Halley's comet, a ball of ice, that passes Earth every seventy-five or so years. We'll also explore the amazing impact that space debris can have on planets and moons. The Borealis Basin, a wondrous crater more than 5,000 miles across, formed when an asteroid collided with Mars in the ancient past. Then we will travel to the far-off Kuiper belt, where as many as 200 million icy bodies orbit, and wonder at the mystery of planetlike objects, such as Pluto and Charon. Finally, we’ll can experience a space wonder firsthand by standing outside on a night in August to watch the spectacular Perseid meteor shower fill the sky.
Author: Tom Gehrels
Publisher: University of Arizona Press
ISBN: 9780816515059
Category : Science
Languages : en
Pages : 1340
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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: Dennis B. Fradin
Publisher: Children's Press(CT)
ISBN: 9780516017235
Category : Juvenile Nonfiction
Languages : en
Pages : 52
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Book Description
Describes in simple terms the meteors, comets, and asteroids that are part of our solar system and discusses the various theories concerning their origin and their effect on life on Earth.
Author: John Man
Publisher: DK Publishing (Dorling Kindersley)
ISBN: 9780789481597
Category : Asteroids
Languages : en
Pages : 0
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Book Description
Profiles the smaller, free-ranging bodies that circle the Sun, providing information on their origins, make-up, and the threat they pose to Earth.
Author: Steven N. Koppes
Publisher: Twenty-First Century Books
ISBN: 9780822528616
Category : Juvenile Nonfiction
Languages : en
Pages : 124
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Book Description
Describes the role that collisions with meteors, comets, and asteroids have played in the history of Earth and other planets in the solar system and examines what is being done to protect Earth from future collisions.
Author: Michael H. Carr
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 336
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Book Description
Author: Rosalind Mist
Publisher: QED Publishing
ISBN: 9781845389666
Category : Asteroids
Languages : en
Pages : 0
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Book Description
"An introduction to asteroids, comets, and meteors, including what they are made of, where they are, and how they interact with other bodies of the solar system"--Provided by publisher.
Author: Andrew S. Rivkin
Publisher: Bloomsbury Publishing USA
ISBN: 0313344337
Category : Science
Languages : en
Pages : 227
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Book Description
Geared toward students, this guide provides an overview of the small bodies that orbit the sun. This volume in the Greenwood Guides to the Universe series covers asteroids, comets, and dwarf planets—those small bodies that revolve the Sun—and provides readers with the most up-to-date understanding of the current state of scientific knowledge about them. Scientifically sound, but written with the student in mind, Asteroids, Comets, and Dwarf Planets is an excellent first step for researching the exciting scientific discoveries of the smallest celestial bodies in the solar system. The book will introduce students to all of the areas of research surrounding the subject, answering many intriguing questions. It defines a dwarf planet and explains why Pluto is one. It looks at how such small bodies form, what they are made of, and what kind of atmospheres might they have. And it asks—and answers—whether asteroids, comets, and dwarf planets present a hazard to the Earth or to spacecraft.
Author: Patrick Michel
Publisher: University of Arizona Press
ISBN: 0816532133
Category : Science
Languages : en
Pages : 946
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Book Description
"More than forty chapters detail our current astronomical, compositional, geological, and geophysical knowledge of asteroids, as well as their unique physical processes and interrelationships with comets and meteorites"--Provided by publisher.
