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Author: Ruth Hertz
Publisher:
ISBN: 9780974733906
Category :
Languages : en
Pages :
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Book Description
Earth Science review on flashcards
Author: Ruth Hertz
Publisher:
ISBN: 9780974733906
Category :
Languages : en
Pages :
Get Book Here
Book Description
Earth Science review on flashcards
Author: Ruth Hertz
Publisher:
ISBN: 9780974733982
Category :
Languages : en
Pages : 514
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Book Description
Chemistry Regents Prep Book
Author: Ruth Hertz
Publisher:
ISBN: 9780974733913
Category :
Languages : en
Pages : 300
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Book Description
Highly effective living environment regents review on flashcards. Student friendly with great hints, memory-aid techniques, and pictures. Fun to study with and will help you ace your regents!
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: Vicky Barker
Publisher: Little Genius Books
ISBN: 9781953344625
Category : Juvenile Nonfiction
Languages : en
Pages : 48
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Book Description
Boost your problem-solving skills! These brights, bold, and FLUORESCENT puzzles and activities will spark your creative brain, stretch that math muscle, and nurture a love of logic. Brain Boosters: Planet Earth contains mazes, pattern sequences, math problems, dot-to-dots, wordsearches, matching games, quizzes, spot the difference, and much more! BONUS: There are fascinating nature facts too!
Author: Cesare Emiliani
Publisher: Holt McDougal
ISBN: 9780153614514
Category : Science
Languages : en
Pages : 654
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Book Description
Author: Eric D. Olmanson
Publisher:
ISBN:
Category :
Languages : en
Pages : 412
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Book Description
Author: Mike Westerfield
Publisher: Maker Media, Inc.
ISBN: 1457186314
Category : Technology & Engineering
Languages : en
Pages : 1261
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Book Description
This book teaches the reader to build rockets--powered by compressed air, water, and solid propellant--with the maximum possible fun, safety, and educational experience. Make: Rockets is for all the science geeks who look at the moon and try to figure out where Neil Armstrong walked, watch in awe as rockets lift off, and want to fly their own model rockets. Starting with the basics of rocket propulsion, readers will start out making rockets made from stuff lying around the house, and then move on up to air-, water-, and solid propellant-powered rockets. Most of the rockets in the book can be built from parts in the Estes Designer Special kit.
Author: United States. Air Force Junior ROTC.
Publisher:
ISBN:
Category : Aeronautics in astronomy
Languages : en
Pages : 360
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Book Description
[This book] examines our Earth, the Moon and the planets, the latest advances in space technology, and continuing challenges of space and manned spaceflight. Unit 1 ... discusses the elements beyond the Earth's atmosphere, surviving and living in space, and physiological results of manned spaceflights. [Unit 2] discusses the space programs of America, the creation of the National Aeronautics and Space Administration (NASA), working and scientific satellites, the space programs of the former Soviet Union, and the space programs of Europe, Canada, China, Australia, and Japan. Unit 3 ... discusses issues critical to travel in the upper atmosphere such as orbits and trajectories, unmanned satellites, space probes, guidance and control systems, and commercial use of the space program. Unit 4 ... covers major milestones in the endeavor to land on the Moon, and to safely orbit humans and crafts in space for prolonged and temporary periods. It also covers the development of space stations, the Space Shuttle and its future, and international laws for the use of and travel in space. -Pref.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309266564
Category : Science
Languages : en
Pages : 115
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Book Description
On June 15, 2011, the Air Force Space Command established a new vision, mission, and set of goals to ensure continued U.S. dominance in space and cyberspace mission areas. Subsequently, and in coordination with the Air Force Research Laboratory, the Space and Missile Systems Center, and the 14th and 24th Air Forces, the Air Force Space Command identified four long-term science and technology (S&T) challenges critical to meeting these goals. One of these challenges is to provide full-spectrum launch capability at dramatically lower cost, and a reusable booster system (RBS) has been proposed as an approach to meet this challenge. The Air Force Space Command asked the Aeronautics and Space Engineering Board of the National Research Council to conduct an independent review and assessment of the RBS concept prior to considering a continuation of RBS-related activities within the Air Force Research Laboratory portfolio and before initiating a more extensive RBS development program. The committee for the Reusable Booster System: Review and Assessment was formed in response to that request and charged with reviewing and assessing the criteria and assumptions used in the current RBS plans, the cost model methodologies used to fame [frame?] the RBS business case, and the technical maturity and development plans of key elements critical to RBS implementation. The committee consisted of experts not connected with current RBS activities who have significant expertise in launch vehicle design and operation, research and technology development and implementation, space system operations, and cost analysis. The committee solicited and received input on the Air Force launch requirements, the baseline RBS concept, cost models and assessment, and technology readiness. The committee also received input from industry associated with RBS concept, industry independent of the RBS concept, and propulsion system providers which is summarized in Reusable Booster System: Review and Assessment.
