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Author: W. S. Kurth
Publisher:
ISBN: 9783700171256
Category : Book
Languages : en
Pages : 0
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The 7th International Workshop on "Planetary, Solar and Heliospheric Radio Emissions" is the continuation of an established tradition: This PRE VII conference followed previous successful international workshops held at Graz, Austria, in 1984, 1987, 1991, 1996, 2001, and 2005. This 7th workshop in September 2010 offered again the unique opportunity to discuss the observations from Cassini at Saturn and to investigate the measurements by other spacecraft and from the ground of the Jovian, terrestrial and solar radio emissions, also including studies on radiation from exoplanetary sources.
Author: W. S. Kurth
Publisher:
ISBN: 9783700171256
Category : Book
Languages : en
Pages : 0
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Book Description
The 7th International Workshop on "Planetary, Solar and Heliospheric Radio Emissions" is the continuation of an established tradition: This PRE VII conference followed previous successful international workshops held at Graz, Austria, in 1984, 1987, 1991, 1996, 2001, and 2005. This 7th workshop in September 2010 offered again the unique opportunity to discuss the observations from Cassini at Saturn and to investigate the measurements by other spacecraft and from the ground of the Jovian, terrestrial and solar radio emissions, also including studies on radiation from exoplanetary sources.
Author:
Publisher:
ISBN:
Category : Planets
Languages : en
Pages :
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Author: Georg Fischer
Publisher: Verlag Der Osterreichischen Akademie Der Wissenchaften
ISBN: 9783700182634
Category :
Languages : en
Pages : 537
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Book Description
English summary: The "8th International Workshop on Planetary, Solar and Heliospheric Radio Emissions" was held in October 2016 in the historical castle Schloss Seggau, about 35 km south of Graz, Austria. The proceedings of this workshop are now available as the book Planetary Radio Emissions VIII (PRE VIII), which is a continuation of the "PRE silver series" issued by the Austrian Academy of Sciences Press. All contributions were peer-reviewed under the guidance of the four editors. For more than three decades the developments in the field of planetary and solar radio emissions have been documented in the PRE proceedings. The new volume PRE VIII contains articles about the first observations from the Juno spacecraft, which started to orbit Jupiter in mid-2016, and articles analysing the data of Cassini, whose mission ended in September 2017. A large number of contributions deals with the topic of Jovian radio emissions, where the ground-based support of space missions has become increasingly important, and where the statistical analysis of years of data have led to new conclusions about the influence of the Galilean moons. The large ground-based radio telescopes (LOFAR, UTR-2, GURT, LWA, NDA and others) have other important scientific targets besides Jupiter, namely the Sun and exoplanets. The articles about exoplanets in PRE VIII give the impression that a first detection of radio emission signatures could happen in a not too distant future. Other contributions deal with terrestrial radio emissions and theory. Finally, the technical developments in instrumentation have led to the discovery of new fine structures in radio emissions or to improved solar radio imaging, and newly developed databases should make radio data available to all interested scientists around the globe. German description: Der achte internationale Workshop uber planetare, solare und heliospharische Radiostrahlung wurde im Oktober 2016 im historischen Schloss Seggau, ca. 35 km sudlich von Graz, abgehalten. Die gesammelten Beitrage des Workshops erscheinen nun als Buch mit dem Titel "Planetary Radio Emissions VIII" (PRE VIII), welches eine Fortsetzung der "silbernen Reihe" PRE I-VII darstellt. Alle schriftlichen Beitrage wurden einem Begutachtungsverfahren unterworfen, das von den vier Herausgebern geleitet wurde. Die Entwicklungen im Bereich der planetaren und solaren Radiostrahlung werden bereits seit mehr als drei Jahrzehnten in den PRE-Sammelbanden dokumentiert. Der neue Band PRE VIII enthalt Artikel uber die ersten Messungen der Raumsonde Juno, die seit Mitte 2016 den Jupiter umkreist, und Artikel, in denen die Daten der Raumsonde Cassini, deren Mission im September 2017 endete, analysiert werden. Eine grosse Anzahl an Beitragen gibt es zum Thema der Radiostrahlung von Jupiter: Hier wird die Unterstutzung von Satellitenmissionen durch bodengebundene Radioteleskope immer wichtiger, und neue statistische Analysen von grossen Datenmengen haben zu neuen Erkenntnissen uber den Einfluss der Galileischen Monde auf die Jupiterradiostrahlung gefuhrt. Neben Jupiter gibt es fur die grossen Radioteleskope auf der Erde (LOFAR, UTR-2, GURT, LWA, NDA u. a.) noch weitere Schwerpunkte, besonders die Sonne und Exoplaneten. Die Artikel zu den Exoplaneten in PRE VIII hinterlassen den Eindruck, dass die erste Entdeckung von Radioemissionen von Exoplaneten nicht mehr lange auf sich warten lassen wird. Weiters gibt es Beitrage zu terrestrischen Radioemissionen und zur Theorie der Radiostrahlung. Die technischen Entwicklungen bei den Instrumenten haben zur Entdeckung von neuen Feinstrukturen in den Emissionen und zu einer verbesserten Lokalisierung von Radioquellen auf der Sonne gefuhrt, und neu entwickelte Datenbanken sollen Radiodaten fur alle daran interessierten Wissenschaftler verfugbar machen.
Author: Helmut O. Rucker
Publisher:
ISBN:
Category : Planets
Languages : en
Pages : 476
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722938604
Category :
Languages : en
Pages : 32
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Book Description
Analysis of nonthermal radio emission data obtained by the Planetary Radio Astronomy (PRA) spectrometers on the Voyager 1 and 2 spacecraft was performed. This PRA data provided unique insights into the radio emission characteristics of the outer planets because of PRA's unique spectral response below the terrestrial ionospheric plasma frequency and its unprecedented proximity to the source. Of those results which were documented or published, this final report surveys only the highlights and cites references for more complete discussions. Unpublished results for Uranus, Neptune, and theoretical Ionian current distributions are presented at greater length. The most important conclusion to be drawn from these observations is that banded spectral emission is common to the radio emission below 1-2 MHz observed from all four Jovian planets. In every case multiple spectral features evolve on time scales of seconds to minutes. To the extent these features drift in frequency, they appear never to cross one another. The Neptunian spectral features appear to drift little or not at all, their evolution consisting principally of waxing and waning. Since other evidence strongly suggests that most or all of this radio emission is occurring near the local magnetospheric electron cyclotron frequency, this implies that this emission preferentially occurs at certain continually changing planetary radii. It remains unknown why certain radii might be favored, unless radial electric field components or other means serve to differentiate radially the magnetospheric plasma density, particle energy vectors, or particle coherence. Calculation of the spatial distribution and intensity of the Io-generated magnetospheric currents are also presented; these currents may be limited principally by wave impedance and local field strengths. Staelin, David H. and Eikenberry, Stephen S. Unspecified Center NAG5-537...
Author: Helmut O. Rucker
Publisher: Austrian Academy of Sciences Press
ISBN:
Category : Science
Languages : en
Pages : 290
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Author: V. V. Zheleznyakov
Publisher: Elsevier
ISBN: 1483157210
Category : Science
Languages : en
Pages : 736
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Book Description
International Series of Monographs in Natural Philosophy, Volume 25: Radio Emission of the Sun and Planets presents the origin of the radio emission of the planets. This book examines the outstanding triumphs achieved by radio astronomy of the solar system. Comprised of 10 chapters, this volume begins with an overview of the physical conditions in the upper layers of the Sun, the Moon, and the planets. This text then examines the three characteristics of radio emission, namely, the frequency spectrum, the polarization, and the angular spectrum. Other chapters consider the measurements of the intensity of the solar radio emission, which indicate the existence of a lower limit. This book discusses as well the complex phenomena of the sporadic solar radio emission. The final chapter deals with the theory of the radio emission of Venus. This monograph is a valuable resource for radio astronomers and astrophysicists who are interested in the state of investigations in galactic radio astronomy.
Author: Helmut O. Rucker
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 580
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Author: Charles R. Chappell
Publisher: John Wiley & Sons
ISBN: 1119066964
Category : Science
Languages : en
Pages : 786
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Book Description
Over a half century of exploration of the Earth’s space environment, it has become evident that the interaction between the ionosphere and the magnetosphere plays a dominant role in the evolution and dynamics of magnetospheric plasmas and fields. Interestingly, it was recently discovered that this same interaction is of fundamental importance at other planets and moons throughout the solar system. Based on papers presented at an interdisciplinary AGU Chapman Conference at Yosemite National Park in February 2014, this volume provides an intellectual and visual journey through our exploration and discovery of the paradigm-changing role that the ionosphere plays in determining the filling and dynamics of Earth and planetary environments. The 2014 Chapman conference marks the 40th anniversary of the initial magnetosphere-ionosphere coupling conference at Yosemite in 1974, and thus gives a four decade perspective of the progress of space science research in understanding these fundamental coupling processes. Digital video links to an online archive containing both the 1974 and 2014 meetings are presented throughout this volume for use as an historical resource by the international heliophysics and planetary science communities. Topics covered in this volume include: Ionosphere as a source of magnetospheric plasma Effects of the low energy ionospheric plasma on the stability and creation of the more energetic plasmas The unified global modeling of the ionosphere and magnetosphere at the Earth and other planets New knowledge of these coupled interactions for heliophysicists and planetary scientists, with a cross-disciplinary approach involving advanced measurement and modeling techniques Magnetosphere-Ionosphere Coupling in the Solar System is a valuable resource for researchers in the fields of space and planetary science, atmospheric science, space physics, astronomy, and geophysics. Read an interview with the editors to find out more: https://eos.org/editors-vox/filling-earths-space-environment-from-the-sun-or-the-earth
Author:
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 1198
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