A Vision Of Comets
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A Vision Of Comets
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Author : James Harpur
language : en
Publisher:
Release Date : 1993
A Vision Of Comets written by James Harpur and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Poetry categories.
A collection of poems with perennial themes such as love, death and time, and intimations of the numinous in the natural world.
Comets And Their Origin
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Author : Uwe Meierhenrich
language : en
Publisher: John Wiley & Sons
Release Date : 2015-01-30
Comets And Their Origin written by Uwe Meierhenrich and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-01-30 with Science categories.
Divided into two parts, the first four chapters of Comets and their Origin refer to comets and their formation in general, describing cometary missions, comet remote observations, astrochemistry, artificial comets, and the chirality phenomenon. The second part covers the cometary ROSETTA mission, its launch, journey, scientific objectives, and instrumentations, as well as the landing scenario on a cometary nucleus. Along the way, the author presents general questions concerning the origin of terrestrial water and the molecular beginnings of life on Earth, as well as how the instruments used on a space mission like ROSETTA can help answer them. The text concludes with a chapter on what scientists expect from the ROSETTA mission and how its data will influence our life on Earth. As a result, the author elucidates highly topical and fascinating knowledge to scientists and students of various scientific backgrounds, allowing them to work with ROSETTA's data.
Scientific Rationale And Strategies For A First Comet Mission
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Author : Comet Halley Science Working Group
language : en
Publisher:
Release Date : 1977
Scientific Rationale And Strategies For A First Comet Mission written by Comet Halley Science Working Group and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Comets categories.
A Look Into The Beginning Of The Solar System
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Author :
language : en
Publisher:
Release Date : 1985
A Look Into The Beginning Of The Solar System written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Artificial satellites, American categories.
Rosetta Probe
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Author : Robert Snedden
language : en
Publisher: The Rosen Publishing Group, Inc
Release Date : 2016-07-15
Rosetta Probe written by Robert Snedden and has been published by The Rosen Publishing Group, Inc this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-07-15 with Juvenile Nonfiction categories.
Rosetta isn't the first probe that's been sent to study comets, but it's the most successful as the first spacecraft to closely observe a comet as it approaches the sun. For 10 years, Rosetta moved around the solar system, just so it could finally meet up with the right comet and release a lander to further study it. Readers learn about Rosetta's incredible journey from just an idea to a fascinating robot with solar-charging batteries and other special features. From full-color diagrams of Rosetta to informative sidebars about the probe's findings, readers are sure to enjoy this book's STEM co.
Following Sungrazing Comets
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Author : Adam R. Shutts
language : en
Publisher:
Release Date : 2014
Following Sungrazing Comets written by Adam R. Shutts and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
This thesis presents a space mission concept that consists of a spacecraft following a sungrazing comet along its orbit while consistently remaining within the shadow of the object. By locating the spacecraft within the shadow of the comet at the comet-Sun L2 equilibrium point, the spacecraft can be shielded from the immense radiation of the Sun. This concept provides a new vantage point to observe comet/Sun interactions while investigating the effects of comet outgassing, exploring the physical consequences of close perihelion passage, and probing the composition of the Sun's corona. A rigorous search is performed to select a sample comet to design a mission about. The Elliptic Hill Three Body Problem dynamical model is introduced to model the interactions of the spacecraft, comet, and Sun and the L2 libration point location is calculated. Environmental modeling is conducted to estimate the size of the comet's shadow and the thermal conditions the comet and spacecraft will encounter. The consequences of this analysis introduce the possibility of a two-stage mission design due to extreme fluctuations in the thermal environment. A linear controller is derived to station-keep the spacecraft at the comet-Sun L2 point. The feasibility of moving the spacecraft closer to the comet is examined and inverse dynamics theory is applied to create various transfers that bring the spacecraft closer to the comet's surface for improved image and data collection.
Catching Stardust
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Author : Natalie Starkey
language : en
Publisher: Bloomsbury Publishing
Release Date : 2018-03-08
Catching Stardust written by Natalie Starkey and has been published by Bloomsbury Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-08 with Science categories.
'A promising debut.' New Scientist Icy, rocky, sometimes dusty, always mysterious – comets and asteroids are among the Solar System's very oldest inhabitants, formed within a swirling cloud of gas and dust in the area of space that eventually hosted the Sun and its planets. Locked within each of these extra-terrestrial objects is the 4.6-billion-year wisdom of Solar System events, and by studying them at close quarters using spacecraft we can coerce them into revealing their closely-guarded secrets. This offers us the chance to answer some fundamental questions about our planet and its inhabitants. Exploring comets and asteroids also allows us to shape the story of Earth's future, enabling us to protect our precious planet from the threat of a catastrophic impact from space, and maybe to even recover valuable raw materials from them. This cosmic bounty could be as useful in space as it is on Earth, providing the necessary fuel and supplies for humans as they voyage into deep space to explore more distant locations within the Solar System. Catching Stardust tells the story of these enigmatic celestial objects, revealing how scientists are using them to help understand a crucial time in our history – the birth of the Solar System, and everything contained within it.
Rosetta
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Author : C. T. Russell
language : en
Publisher:
Release Date : 2007-05
Rosetta written by C. T. Russell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-05 with Churyumov-Gerasimenko comet categories.
Comets consist of the most primitive, i.e. unprocessed, material in the solar system. To understand the earliest epoch of solar system formation, we must investigate the nature of this material. Much of what we know of comets presently comes from remote sensing using Earth-based telescopes, plus a few brief flybys that have added only a few hours of in-situ observation. The Rosetta mission is poised to make a dramatic advance in our understanding of comets by matching trajectories with comet 67P/Churyumov-Gerasimenko, orbiting it, and setting a lander on its surface. This volume describes the scientific objectives of the mission, the expected cometary environment, and the instruments that will probe the comet.
Introduction To Comets
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Author : John C. Brandt
language : en
Publisher: Cambridge University Press
Release Date : 2004-03-11
Introduction To Comets written by John C. Brandt and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-03-11 with Science categories.
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Great Comets
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Author : Robert Burnham
language : en
Publisher: Cambridge University Press
Release Date : 2000-05-04
Great Comets written by Robert Burnham and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-05-04 with Nature categories.
Spectacular and mysterious objects that come and go in the night sky, comets have dwelt in our popular culture for untold ages. As remnants from the formation of the Solar system, they are objects of key scientific research and space missions. As one of nature's most potent and dramatic dangers, they pose a threat to our safety--and yet they were the origin of our oceans and perhaps even life itself. This beautifully illustrated book tells the story of the biggest and most awe-inspiring of all comets: those that have earned the title "Great." Robert Burnham focuses on the Great comets Hyakutake in 1996 and Hale-Bopp in 1997, which gripped attention worldwide because, for many, they were the first comets ever seen. He places these two recent comets in the context of their predecessors from past ages, among them the famous Comet Halley. Great Comets explains the exciting new discoveries that have come from these magnificent objects and profiles the spaceprobes to comets due for launch in the next few years. The book even takes a peek behind Hollywood's science-fiction fantasies to assess the real risks humanity faces from potential impacts of both comets and asteroids. For everyone interested in astronomy, this exciting book reveals the secrets of the Great Comets and provides essential tools for keeping up to date with comet discoveries in the future. Robert Burnham has been an amateur astronomer since the mid-1950s. He has been a senior editor of Astronomy magazine (1986-88) and is the author of many books and CD-ROMS, including Comet Hale-Bopp: Find and Enjoy the Great Comet and Comet Explorer.