Phobos And Deimos
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Phobos And Deimos
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Author : Percival Lowell
language : en
Publisher:
Release Date : 1911
Phobos And Deimos written by Percival Lowell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1911 with Mars (Planet) categories.
Exploring The Martian Moons
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Author : Manfred "Dutch" von Ehrenfried
language : en
Publisher: Springer
Release Date : 2017-04-11
Exploring The Martian Moons written by Manfred "Dutch" von Ehrenfried and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-04-11 with Technology & Engineering categories.
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.
Phobos Deimos
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Author : John Moehl
language : en
Publisher: Wipf and Stock Publishers
Release Date : 2016-08-10
Phobos Deimos written by John Moehl and has been published by Wipf and Stock Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-08-10 with Language Arts & Disciplines categories.
Many of us live dual lives, as though we live in two worlds. This divergence is perhaps greatest for those embedded in what may be called "multiculturalism." Multicultural people, with their unique life experiences, are migrating around the globe, carrying their own baggage while they face the demands of living in new and strange lands. The short stories in this collection look at the daily tests facing people, frequently in Africa, as they struggle to survive, often in a rapidly changing world. These observations are made through the lens of an outsider--someone from a different culture, with different habits, seeing and learning how these trials are met--seeing and learning that people, regardless of ethnicity, share a common humanity that makes taking these tests poignant and, at times, a true reflection of the human condition. The stories focus on farmers and families, business and traditional leaders, the poor and the rich as they move through life's pathways, not knowing the changes in store for tomorrow. The stories tell tales of sadness and success, while underscoring the common denominators we all share. The stories may be seen as representing a different world, but they most likely represent the whole world.
The Surfaces Of Phobos And Deimos
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Author : Joseph Veverka
language : en
Publisher:
Release Date : 1978
The Surfaces Of Phobos And Deimos written by Joseph Veverka and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Deimos (Satellite) categories.
The Morphology Of Phobos And Deimos
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Author : Peter Chew Thomas
language : en
Publisher:
Release Date : 1978
The Morphology Of Phobos And Deimos written by Peter Chew Thomas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Deimos categories.
Imagery from Mariner 9 and the Viking Orbiter was used to study the surface features of Phobos and Deimos. The high density of the impact craters shows that the surfaces are generally more than one billion years old, and may be three times that age. Most of the debris ejected from impact craters on Phobos is permanently lost from the satellite because of its low gravity and proximity to Mars. Deimos retains more of its cratering debris. Both satellites have large blocks among their retained ejecta. The grooves on Phobos are surface expressions, in a loose regolith, of deeper fractures that were formed or widened by the impact that created the Stickney crater. The grooves diminish in size and number away from Stickney and they are absent in the area opposite that crater. Deimos lacks grooves, perhaps because of a difference in cratering history or in the mechanical properties of the two satellites.
Phobos And Deimos
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Author :
language : en
Publisher: Cloudscape Comics
Release Date : 2023-11-30
Phobos And Deimos written by and has been published by Cloudscape Comics this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-11-30 with Young Adult Fiction categories.
High school is rough, and making friends is hard enough without also being an interplanetary refugee. Maida Kilwa was born on Mars. Life was peaceful and happy until invaders from the twin moons Phobos and Deimos attacked her homeworld. She lost her dad, and her cousin, and her brother was kidnapped. At a young age she was compelled to flee to Earth with her aunt in search of a better life. On Earth she found a society rigidly divided by class, gender, and religion, where Martians are "fugees" and must survive on the charity of others. Maida does her best to fit in and find a clique of allies at school. She also discovers a group of young, self-proclaimed revolutionaries who aren't satisfied with Earth's status quo and plan to do something about it. A crisis is coming and change is on the wind.
Tracking Phobos And Deimos Aboard An Orbiting Spacecraft
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Author : Thomas C. Duxbury
language : en
Publisher:
Release Date : 1971
Tracking Phobos And Deimos Aboard An Orbiting Spacecraft written by Thomas C. Duxbury and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with categories.
Phobos Deimos To The Memory Of A Two Worlds Calendric Mark 1 Reed
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Author : D. G. Lahoz
language : en
Publisher: s.l. : s.n.
Release Date : 1978
Phobos Deimos To The Memory Of A Two Worlds Calendric Mark 1 Reed written by D. G. Lahoz and has been published by s.l. : s.n. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Cosmogony categories.
Photometric Studies Of Phobos Deimos And The Satellites Of Saturn
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Author : Michael C. Noland
language : en
Publisher:
Release Date : 1975
Photometric Studies Of Phobos Deimos And The Satellites Of Saturn written by Michael C. Noland and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Astronomical photometry categories.
Accuracy Of Estimating The Masses Of Phobos And Deimos From Multiple Viking Orbiter Encounters
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Author :
language : en
Publisher:
Release Date : 1975
Accuracy Of Estimating The Masses Of Phobos And Deimos From Multiple Viking Orbiter Encounters written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with categories.