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Free eBooks. A list of all the free ePUB, PDF and MOBI eBooks published on CetinGrad.org

Download Exploring the Martian Moons PDF

Exploring the Martian Moons


Author :
Publisher : Springer
Release Date :
ISBN 10 : 9783319527000
Pages : 255 pages
File Format : PDF, EPUB, TEXT, KINDLE or MOBI
Rating : 4.2/5 (7 users download)

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Summary Book Review Exploring the Martian Moons by Manfred "Dutch" von Ehrenfried:

Download or read book Exploring the Martian Moons written by Manfred "Dutch" von Ehrenfried and published by Springer. This book was released on 2017-04-11 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explores the once popular idea of 'Flexible Path' in terms of Mars, a strategy that would focus on a manned orbital mission to Mars's moons rather than the more risky, expensive and time-consuming trip to land humans on the Martian surface. While currently still not the most popular idea, this mission would take advantage of the operational, scientific and engineering lessons to be learned from going to Mars's moons first. Unlike a trip to the planet's surface, an orbital mission avoids the dangers of the deep gravity well of Mars and a very long stay on the surface. This is analogous to Apollo 8 and 10, which preceded the landing on the Moon of Apollo 11. Furthermore, a Mars orbital mission could be achieved at least five years, possibly 10 before a landing mission. Nor would an orbital mission require all of the extra vehicles, equipment and supplies needed for a landing and a stay on the planet for over a year. The cost difference between the two types of missions is in the order of tens of billions of dollars. An orbital mission to Deimos and Phobos would provide an early opportunity to acquire scientific knowledge of the moons and Mars as well, since some of the regolith is presumed to be soil ejected from Mars. It may also offer the opportunity to deploy scientific instruments on the moons which would aid subsequent missions. It would provide early operational experience in the Mars environment without the risk of a landing. The author convincingly argues this experience would enhance the probability of a safe and successful Mars landing by NASA at a later date, and lays out the best way to approach an orbital mission in great detail. Combining path-breaking science with achievable goals on a fast timetable, this approach is the best of both worlds--and our best path to reaching Mars safely in the future.

Download Mars PDF

Mars


Author :
Publisher : Infobase Publishing
Release Date :
ISBN 10 : 9781438107264
Pages : 225 pages
File Format : PDF, EPUB, TEXT, KINDLE or MOBI
Rating : 4.0/5 (726 users download)

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Summary Book Review Mars by Linda T. Elkins-Tanton:

Download or read book Mars written by Linda T. Elkins-Tanton and published by Infobase Publishing. This book was released on 2006 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses the fundamental facts concerning this mysterious planet, including its mass, size, and atmosphere, as well as the various missions that helped planetary scientists document the geological history of Mars. This volume also describes Mars' seasons with their surface effects on the planet and how they have changed over time.

Download For the Love of Reading PDF

For the Love of Reading


Author :
Publisher : Orca Book Publishers
Release Date :
ISBN 10 : 1551432811
Pages : 206 pages
File Format : PDF, EPUB, TEXT, KINDLE or MOBI
Rating : 4.5/5 (143 users download)

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Summary Book Review For the Love of Reading by David Bouchard:

Download or read book For the Love of Reading written by David Bouchard and published by Orca Book Publishers. This book was released on 2004 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: What should we read to our children? Four experts share their favorite books.

Download Literature Connections to World History, 7-12 PDF

Literature Connections to World History, 7-12


Author :
Publisher : Libraries Unlimited
Release Date :
ISBN 10 : 9781563085055
Pages : 511 pages
File Format : PDF, EPUB, TEXT, KINDLE or MOBI
Rating : 4.8/5 (55 users download)

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Summary Book Review Literature Connections to World History, 7-12 by Lynda G. Adamson:

Download or read book Literature Connections to World History, 7-12 written by Lynda G. Adamson and published by Libraries Unlimited. This book was released on 1998 with total page 511 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides annotated entries for historical fiction titles, biographies, and multimedia items

Download Literature Connections to World History 712: Resources to Enhance and Entice PDF

Literature Connections to World History 712: Resources to Enhance and Entice


Author :
Publisher : ABC-CLIO
Release Date :
ISBN 10 : 9780313077555
Pages : 326 pages
File Format : PDF, EPUB, TEXT, KINDLE or MOBI
Rating : 4.7/5 (755 users download)

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Summary Book Review Literature Connections to World History 712: Resources to Enhance and Entice by Lynda G. Adamson:

Download or read book Literature Connections to World History 712: Resources to Enhance and Entice written by Lynda G. Adamson and published by ABC-CLIO. This book was released on 1998-06-15 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: Identifying thousands of historical fiction novels, biographies, history trade books, CD-ROMs, and videotapes, these books help you locate resources on world history for students. Each is divided into two sections. In the first part, titles are listed according to grade levels within specific geographic areas and time periods. They are further organized by product type. Both books cover world history from Prehistory and the Ancient World to 54 B.C. to the modern era. Other chapters include Roman Empire to A.D. 476; Europe and the British Isles; Africa and South Africa; Australia, New Zealand, Pacific Islands, and Antarctica; Canada; China; India, Tibet, and Burma; Israel and Arab Countries; Japan; Vietnam, Korea, Cambodia, and Thailand; and South and Central America and the Caribbean. The second section has an annotated bibliography that describes each title and includes publication information and awards. The focus is on books published since 1990, and all have received at l

Download Observing and Cataloguing Nebulae and Star Clusters PDF

Observing and Cataloguing Nebulae and Star Clusters


Author :
Publisher : Cambridge University Press
Release Date :
ISBN 10 : 9781139490108
Pages : pages
File Format : PDF, EPUB, TEXT, KINDLE or MOBI
Rating : 4.9/5 (1 users download)

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Summary Book Review Observing and Cataloguing Nebulae and Star Clusters by Wolfgang Steinicke:

Download or read book Observing and Cataloguing Nebulae and Star Clusters written by Wolfgang Steinicke and published by Cambridge University Press. This book was released on 2010-08-19 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The New General Catalogue, originally created in 1888, is the source for referencing bright nebulae and star clusters, both in professional and amateur astronomy. With 7840 entries, it is the most-used historical catalogue of observational astronomy, and NGC numbers are commonly used today. However, the fascinating history of the discovery, observation, description and cataloguing of nebulae and star clusters in the nineteenth century has largely gone untold, until now. This well-researched book is the first comprehensive historical study of the NGC, and is an important resource to all those with an interest in the history of modern astronomy and visual deep-sky observing. It covers the people, observatories, instruments and methods involved in nineteenth-century visual deep-sky observing, as well as prominent deep-sky objects. The book also compares the NGC to modern object data, demonstrating how important the NGC is in observational astronomy today.

Download Old and New Astronomy PDF

Old and New Astronomy


Author :
Publisher :
Release Date :
ISBN 10 : HARVARD:HNYGQT
Pages : 932 pages
File Format : PDF, EPUB, TEXT, KINDLE or MOBI
Rating : 4./5 ( users download)

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Summary Book Review Old and New Astronomy by Richard Anthony Proctor:

Download or read book Old and New Astronomy written by Richard Anthony Proctor and published by . This book was released on 1892 with total page 932 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download Encyclopedia of Frontier Biography: P-Z PDF

Encyclopedia of Frontier Biography: P-Z


Author :
Publisher : U of Nebraska Press
Release Date :
ISBN 10 : 0803294204
Pages : 1698 pages
File Format : PDF, EPUB, TEXT, KINDLE or MOBI
Rating : 4.0/5 (329 users download)

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Summary Book Review Encyclopedia of Frontier Biography: P-Z by Dan L. Thrapp:

Download or read book Encyclopedia of Frontier Biography: P-Z written by Dan L. Thrapp and published by U of Nebraska Press. This book was released on 1991-06-01 with total page 1698 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes biographical information on 4,500 individuals associated with the frontier

Download Major happenings in science PDF

Major happenings in science


Author :
Publisher : Prabhat Prakashan
Release Date :
ISBN 10 : 9788184305180
Pages : 253 pages
File Format : PDF, EPUB, TEXT, KINDLE or MOBI
Rating : 4.0/5 (518 users download)

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Summary Book Review Major happenings in science by Vijaya Khandurie:

Download or read book Major happenings in science written by Vijaya Khandurie and published by Prabhat Prakashan. This book was released on 2020-01-01 with total page 253 pages. Available in PDF, EPUB and Kindle. Book excerpt: The story of 20 years old Patty leading a life where everyone, in their own way, is trying to direct her as to what she should have for her future, is relatable for most of the girls, especially in the third world countries despite the fact that the setting of the story is much Victorian Europe. As Patty lives through a dilemma to choose between Bill Farnsworth and Philip Van Reypan, and loses Mrs. Reypen in the meantime, read the novella to have a quick yet fabulous read.

Download World Epidemics PDF

World Epidemics


Author :
Publisher : McFarland
Release Date :
ISBN 10 : 9781476631066
Pages : 423 pages
File Format : PDF, EPUB, TEXT, KINDLE or MOBI
Rating : 4.3/5 (16 users download)

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Summary Book Review World Epidemics by Mary Ellen Snodgrass:

Download or read book World Epidemics written by Mary Ellen Snodgrass and published by McFarland. This book was released on 2017-11-22 with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt:  In its expanded second edition, this chronology examines the effects of epidemic illness and death on human culture from 2700 bce to 2017. Entries summarize incidents of contagion across the globe, including symptoms, treatment, prevention and demographics, as well as biographical information on notable people who identified and battled disease. Entries feature citations from personal and public documents along with maps, charts comparing types of infection, and estimated populations affected by each epidemic.

Download Astronautics and Aeronautics PDF

Astronautics and Aeronautics


Author :
Publisher :
Release Date :
ISBN 10 : UOM:39015041760490
Pages : 386 pages
File Format : PDF, EPUB, TEXT, KINDLE or MOBI
Rating : 4./5 ( users download)

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Summary Book Review Astronautics and Aeronautics by :

Download or read book Astronautics and Aeronautics written by and published by . This book was released on 1997 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download 4th Rock from the Sun PDF

4th Rock from the Sun


Author :
Publisher : Bloomsbury Publishing
Release Date :
ISBN 10 : 9781472922519
Pages : 288 pages
File Format : PDF, EPUB, TEXT, KINDLE or MOBI
Rating : 4.2/5 (251 users download)

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Summary Book Review 4th Rock from the Sun by Nicky Jenner:

Download or read book 4th Rock from the Sun written by Nicky Jenner and published by Bloomsbury Publishing. This book was released on 2017-04-06 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mars is ingrained in our culture, from David Bowie's extra-terrestrial spiders to H.G. Wells's The War of the Worlds. The red planet has inspired hundreds of scientists, authors and filmmakers - but why? What is it about this particular planet that makes it so intriguing? Ancient mythologies defined Mars as a violent harbinger of war, and astrologers found meaning in the planet's dance through the sky. Stargazers puzzled over Mars's unfamiliar properties; some claimed to see canals criss-crossing its surface, while images from early spacecraft showed startling faced and pyramids carved out of rusty rock. Did Martians exist? If so, were they intelligent, civilised beings? We now have a better understanding of Mars: its red hue, small moons, atmosphere (or lack of it), and mysterious past. Robots have trundled across the planet's surface, beaming back astonishing views of the alien landscape and seeking clues on how it has evolved. While little green Martians are now firmly the preserve of literature, evidence is growing that the now arid, frozen planet was once warmer, wetter, and possibly thronging with microbial life. Soon, we may set food on the planet. What challenges are involved, and how are we preparing for them? Is there a future for humanity on Mars? In 4th Rock from the Sun, Nicky Jenner reviews Mars in its entirety, exploring its nature, attributes, potential as a human colony and impact on 3rd Rock-culture - everything you need to know about the Red Planet.

Download Religion and Reconciliation in Greek Cities PDF

Religion and Reconciliation in Greek Cities


Author :
Publisher : OUP USA
Release Date :
ISBN 10 : 9780195394009
Pages : 414 pages
File Format : PDF, EPUB, TEXT, KINDLE or MOBI
Rating : 4.9/5 (4 users download)

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Summary Book Review Religion and Reconciliation in Greek Cities by Noel Robertson:

Download or read book Religion and Reconciliation in Greek Cities written by Noel Robertson and published by OUP USA. This book was released on 2010-08-05 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: The lex sacra of Selinus and of Cyrene are the only two inscribed religious calendars to survive from ancient Greece. These documents are fundamental to understanding Greek religious practice on the civic and personal level, but they have never been studied in conjunction with one another before. Religion and Reconciliation in Greek Cities provides a new edited text with translation, commentary, and interpretive essays on these documents.

Download Nergal, the 4th Planet PDF

Nergal, the 4th Planet


Author :
Publisher :
Release Date :
ISBN 10 : UIUC:30112104411290
Pages : 23 pages
File Format : PDF, EPUB, TEXT, KINDLE or MOBI
Rating : 4./5 ( users download)

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Summary Book Review Nergal, the 4th Planet by :

Download or read book Nergal, the 4th Planet written by and published by . This book was released on 1992 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download Canadian Children's Literature PDF

Canadian Children's Literature


Author :
Publisher :
Release Date :
ISBN 10 : UVA:X002625466
Pages : pages
File Format : PDF, EPUB, TEXT, KINDLE or MOBI
Rating : 4./5 ( users download)

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Summary Book Review Canadian Children's Literature by :

Download or read book Canadian Children's Literature written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download Naugatuck Revisited PDF

Naugatuck Revisited


Author :
Publisher : Arcadia Publishing
Release Date :
ISBN 10 : 0738536032
Pages : 128 pages
File Format : PDF, EPUB, TEXT, KINDLE or MOBI
Rating : 4.3/5 (853 users download)

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Summary Book Review Naugatuck Revisited by Ron Gagliardi:

Download or read book Naugatuck Revisited written by Ron Gagliardi and published by Arcadia Publishing. This book was released on 2004 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: Naugatuck Revisited is an exciting new look at this historic Connecticut community. Settled in the early 1700s, Naugatuck was incorporated in 1844 and developed through the ingenuity of entrepreneurs who exploited its rivers and railroads. This volume includes images and stories of the borough's many notable luminaries, including inventor Charles Goodyear, resident and World Series Most Valuable Player Frank "Spec" Shea of the New York Yankees, legendary Hollywood fashion designer Adrian Gilbert, and the founders of the Peter Paul candy company, makers of Almond Joy and Mounds. Robert Redford spent time here preparing for the movie The Natural, and Senator John F. Kennedy made an early morning presidential campaign stop here on his way to Waterbury.

Download Recreations in Science and Natural Philosophy PDF

Recreations in Science and Natural Philosophy


Author :
Publisher :
Release Date :
ISBN 10 : CORNELL:31924060183955
Pages : 826 pages
File Format : PDF, EPUB, TEXT, KINDLE or MOBI
Rating : 4./5 ( users download)

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Summary Book Review Recreations in Science and Natural Philosophy by Jacques Ozanam:

Download or read book Recreations in Science and Natural Philosophy written by Jacques Ozanam and published by . This book was released on 1844 with total page 826 pages. Available in PDF, EPUB and Kindle. Book excerpt: