Galactic Cosmic Ray Modulation In The Outer Solar System

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Galactic Cosmic Ray Modulation in the Outer Solar System

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Author : Steven Tyler Suess
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (3 download)

Book Synopsis Galactic Cosmic Ray Modulation in the Outer Solar System by : Steven Tyler Suess

Download or read book Galactic Cosmic Ray Modulation in the Outer Solar System written by Steven Tyler Suess and published by . This book was released on 1973 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: It has recently been suggested that "quiet-time electron increases" may be indicative of a galatic cosmic ray modulation region in the outer solar system that is quite distinct from the modulation region in the inner solar system. We consider the effects of an outer modulation region on the solar wind expansion, finding that the effects are somewhat more important than those associated with only an inner modulation region, when the same constraints on galactic cosmic ray energy density are applied. We also find that the existence of an outer modulation region will not lead to a shock-free solar wind transition to subsonic flow (or even to a weakly shocked transition) in the absence of an interstellar neutral gas, and that the cosmic ray effects are less important than those of the neutral gas in the presence of an interstellar atomic hydrogen gas of density 0.1 cm−3.

GALACTIC COSMIC RAY MODULATION IN THE OUTER SOLAR SYSTEM

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Author : Environmental Research Laboratories (U.S.)
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (897 download)

Book Synopsis GALACTIC COSMIC RAY MODULATION IN THE OUTER SOLAR SYSTEM by : Environmental Research Laboratories (U.S.)

Download or read book GALACTIC COSMIC RAY MODULATION IN THE OUTER SOLAR SYSTEM written by Environmental Research Laboratories (U.S.) and published by . This book was released on 1973 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Solar Journey: The Significance of Our Galactic Environment for the Heliosphere and Earth

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Author : P.C. Frisch
Publisher : Springer Science & Business Media
ISBN 13 : 1402045573
Total Pages : 430 pages
Book Rating : 4.4/5 (2 download)

Book Synopsis Solar Journey: The Significance of Our Galactic Environment for the Heliosphere and Earth by : P.C. Frisch

Download or read book Solar Journey: The Significance of Our Galactic Environment for the Heliosphere and Earth written by P.C. Frisch and published by Springer Science & Business Media. This book was released on 2006-09-12 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by experts who created the field, this volume explores uncharted scientific territory, with articles discussing the effect of our galactic environment on the heliosphere, planetary system and Earth. Leading experts in diverse fields discuss the physical changes expected as the heliosphere adjusts to its galactic environment. Topics include the interaction between solar wind and interstellar dust and gas, cosmic ray modulation, magnetospheres, variations in the solar environment, and the cosmic ray isotope record preserved in paleoclimate data.

Cosmic Rays in the Heliosphere

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Author : Bernd Heber
Publisher : Springer
ISBN 13 : 9781489987112
Total Pages : 403 pages
Book Rating : 4.9/5 (871 download)

Book Synopsis Cosmic Rays in the Heliosphere by : Bernd Heber

Download or read book Cosmic Rays in the Heliosphere written by Bernd Heber and published by Springer. This book was released on 2015-08-27 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents a comprehensive synopsis of the current state of cosmic rays, their modulation and their effects in the Earth’s atmosphere. Leading scientists in the field assess the current state of our understanding of the spatial and temporal variations of galactic and anomalous cosmic rays in the Heliosphere, and their relation to effects of the Sun. The main objective is to understand the spatial and temporal variation of galactic and anomalous cosmic rays in the light of recent observations, theory and modeling by identifying the key mechanism(s) of cosmic ray modulation and how changes on the Sun relate to changes in the observed characteristics of cosmic rays in the Heliosphere; examining the current long-lasting solar minimum and understand its implications for solar-cycle variations and long-term variations; and interpreting the long-term variations of cosmogenic radionuclides in terms of solar variability and climate change on Earth. This volume is aimed at graduate students active in the fields of solar physics, space science, and cosmic ray physics. Originally published in Space Science Reviews journal, Vol. 176/1-4, 2013.

Cosmic Rays and Earth

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Author : J.W. Bieber
Publisher : Springer Science & Business Media
ISBN 13 : 9780792367123
Total Pages : 432 pages
Book Rating : 4.3/5 (671 download)

Book Synopsis Cosmic Rays and Earth by : J.W. Bieber

Download or read book Cosmic Rays and Earth written by J.W. Bieber and published by Springer Science & Business Media. This book was released on 2000-12-31 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book summarizes the results from the detection of cosmic rays at the surface and in the lower atmosphere of Earth during the fifty years since the invention of the neutron monitor by John A. Simpson in 1948. The properties of solar and galactic cosmic rays in the heliosphere, such as Forbush decreases, modulations by solar and heliosphere parameters, the physical processes that govern them, and their connection to Space Weather, are reviewed. This interdisciplinary compilation provides links between cosmic ray physics, geophysics, terrestrial climate, and human activity and health.

Solar Cosmic Rays

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Author : L.I. Miroshnichenko
Publisher : Springer Science & Business Media
ISBN 13 : 9401596468
Total Pages : 489 pages
Book Rating : 4.4/5 (15 download)

Book Synopsis Solar Cosmic Rays by : L.I. Miroshnichenko

Download or read book Solar Cosmic Rays written by L.I. Miroshnichenko and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: It turned out to be really a rare and happy occasion that we know exact1y when and how a new branch of space physics was born, namely, a physics of solar cosmic rays. It happened on February 28 and March 7, 1942 when the fIrst "cosmic ray bursts" were recorded on the Earth, and the Sun was unambiguously identifIed for the fIrst time as the source of high-velocity 10 particles with energies up to > 10 eV. Just due to such a high energy these relativistic particles have been called "solar cosmic rays" (SCR), in distinction from the "true" cosmic rays of galactic origin. Between 1942 and the beginning ofthe space era in 1957 only extremely high energy solar particle events could be occasionally recorded by cosmic ray ground-Ievel detectors and balloon borne sensors. Since then the detection techniques varied considerably and the study of SCR turned into essential part of solar and solar-terrestrial physics.

Physics of the Earth’s Space Environment

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Author : Gerd Prölss
Publisher : Springer Science & Business Media
ISBN 13 : 3642971237
Total Pages : 522 pages
Book Rating : 4.6/5 (429 download)

Book Synopsis Physics of the Earth’s Space Environment by : Gerd Prölss

Download or read book Physics of the Earth’s Space Environment written by Gerd Prölss and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents the experimental results while explaining the underlying physics on the basis of simple reasoning and agumentation. Assumes only basic knowledge of of fundamental physics and mathematics as usually required for introductory college courses in science or engineering curricula. Derives more specifics of selected topics as each phenomenon considered ,epmasizing an intuitive over a rigorous mathematical approach. Directed at a broad group of readers and students.

The Outer Solar System

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Author : National Research Council (U.S.). Space Science Board
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (321 download)

Book Synopsis The Outer Solar System by : National Research Council (U.S.). Space Science Board

Download or read book The Outer Solar System written by National Research Council (U.S.). Space Science Board and published by . This book was released on 1969 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Physics of the Outer Heliosphere

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Author : S. Grzedzielski
Publisher : Elsevier
ISBN 13 : 148328753X
Total Pages : 424 pages
Book Rating : 4.4/5 (832 download)

Book Synopsis Physics of the Outer Heliosphere by : S. Grzedzielski

Download or read book Physics of the Outer Heliosphere written by S. Grzedzielski and published by Elsevier. This book was released on 2013-10-22 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first volume in the new COSPAR Colloquia series which will provide a forum for an in-depth discussion on selective topics of importance to the international community. The International Heliospheric Study (IHS) was initially approved by COSPAR in 1982 when it was anticipated that the study would centre on the ESA/NASA Ulysses spacecraft. This mission was delayed until October 1990, but it was decided to commence the study in 1986 in order to exploit the existence of the Pioneer 10 and 11 and the Voyager 1 and 2 spacecraft in the outer heliosphere. The primary purpose of Physics of the Outer Heliosphere is to study the three-dimensional structure of the solar wind and interplanetary magnetic field carried by it, the propagation of energetic solar particles throughout the heliosphere and the modulation of galactic cosmic rays by the heliosphere. This volume provides information for scientists interested in spectroscopic studies of the local interstellar medium, galactic and solar cosmic ray populations in the outer heliosphere and also plasma and magnetic field aspects of the distant solar wind.

The Astrophysics of Galactic Cosmic Rays

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Author : Roland Diehl
Publisher : Springer Science & Business Media
ISBN 13 : 9401732396
Total Pages : 379 pages
Book Rating : 4.4/5 (17 download)

Book Synopsis The Astrophysics of Galactic Cosmic Rays by : Roland Diehl

Download or read book The Astrophysics of Galactic Cosmic Rays written by Roland Diehl and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: R. DIEHL, R. KALLENBACH, E. PARIZOT and R. VON STEIGER / The Astrophysics of Galactic Cosmic Rays 3 I: KEY OBSERVATIONS ON GALACTIC COSMIC RAYS M. E. WIEDENBECK, N. E. YANASAK, A. c. CUMMINGS, AJ. DAVIS, I. S. GEORGE, R. A. LESKE, R. A. MEWALDT, E. C. STONE, P. L. HINK, M. H. ISRAEL, M. LIJOWSKI, E. R. CHRISTIAN and TT VON ROSENVINGE / The Origin of Primary Cosmic Rays: Constraints from ACE Elemental and Isotopic Composition Observations 15 R. A. MEWALDT, N. E. YANASAK, M. E. WIEDENBECK, AJ. DAVIS, w. R. BINNS, E. R. CHRISTIAN, A. C. CUMMINGS, P. L. HINK, R. A. LESKE, S. M. NIEBUR, E. C. STONE and TT VON ROSENVINGE / Radioactive Clocks and Cosmic-Ray Transport in the Galaxy 27 J. J. CONNELL / Cosmic-Ray Composition as Observed by Ulysses 41 R. RAMATY, R. E. LINGENFELTER and B. KOZLOVSKY / Spallogenic Light Elements and Cosmic-Ray Origin 51 E. PARIZOT / Galactic Cosmic Rays and the Light Elements 61 G. MEYNET, M. ARNOULD, G. PAULUS and A. MAEDER / Wolf-Rayet Star Nucleosynthesis and the Isotopic Composition of the Galactic Cosmic Rays 73 S. P. SWORDY / The Energy Spectra and Anisotropies of Cosmic Rays 85 G. TARLE and M. SCHUBNELL / Antiparticles 95 D. MULLER / Cosmic Rays Beyond the Knee 105 II: LESSONS FROM THE HELIOSPHERE G. M. MASON / Heliospheric Lessons for Galactic Cosmic-Ray Acceleration 119 R. A.

Solar Modulation of Galactic Cosmic Rays

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Author : V. K. Balasubrahmanyan
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (544 download)

Book Synopsis Solar Modulation of Galactic Cosmic Rays by : V. K. Balasubrahmanyan

Download or read book Solar Modulation of Galactic Cosmic Rays written by V. K. Balasubrahmanyan and published by . This book was released on 1966 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Relationship Between Galactic Cosmic Rays and Solar Wind

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Author : Grace Dominic Ihongo
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (111 download)

Book Synopsis The Relationship Between Galactic Cosmic Rays and Solar Wind by : Grace Dominic Ihongo

Download or read book The Relationship Between Galactic Cosmic Rays and Solar Wind written by Grace Dominic Ihongo and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modeling the highly energetic particles known as galactic cosmic rays is a highly nontrivial task. This process may require numerical simulations of the complex processes occurring continuously in the heliosphere due to changes in solar wind reflecting the solar activity. However, if reasonable assumptions are employed, considering only the diffusion and convection processes, the above phenomenon can be reduced to a simplified scenario that can be modeled analytically. The variable solar wind may be responsible for solar modulation of galactic cosmic rays. The aforementioned, in addition to the postulated role of cosmic rays in climate change, has led to the following questions: what is the relationship between galactic cosmic rays and solar wind? What are the possible effects of solar wind on galactic cosmic ray flux? In an attempt to address these questions, we have modeled the transport of galactic cosmic rays in the heliosphere theoretically. Our model describes solar modulation and transport of galactic cosmic rays in the heliosphere mainly in terms of the size of the heliosphere, timedependent solar wind, and a uniform diffusion coefficient. Our results suggest that solar wind causes significant decrease in galactic cosmic ray flux at r ≈ 1AU. In further investigation, we examine a short-time variation of the calculated flux, and the result is reflected by exposing a negative correlation of −0.988 ± 0.001 between galactic cosmic ray flux variation and the solar wind variation at r ≈ 1AU. This outcome may suggest that the higher the solar wind, the lower the galactic cosmic ray flux and vice-versa. For completeness, we compared our results with available observational data that shows a good fit to the model. Thus, based on our model results, it may be possible to predict that galactic cosmic ray flux variation and solar wind variation at Earth are negatively correlated.

Cosmic Winds and the Heliosphere

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Author : Jack Randolph Jokipii
Publisher : University of Arizona Press
ISBN 13 : 9780816518258
Total Pages : 1060 pages
Book Rating : 4.5/5 (182 download)

Book Synopsis Cosmic Winds and the Heliosphere by : Jack Randolph Jokipii

Download or read book Cosmic Winds and the Heliosphere written by Jack Randolph Jokipii and published by University of Arizona Press. This book was released on 1997-10 with total page 1060 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contributors examine the physics of wind origin and physical phenomena in winds, including heliospheric shocks, magnetohydrodynamic turbulence, and kinetic phenomena--and their interactions with surrounding media. Contributions range from studies of the interstellar cloud surrounding the solar system to solar wind interaction with comets.

Galactic and Anomalous Cosmic Rays in the Heliosphere

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Author : COSPAR. Scientific Assembly
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.F/5 ( download)

Book Synopsis Galactic and Anomalous Cosmic Rays in the Heliosphere by : COSPAR. Scientific Assembly

Download or read book Galactic and Anomalous Cosmic Rays in the Heliosphere written by COSPAR. Scientific Assembly and published by . This book was released on 2001 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Testing at the Speed of Light

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Author : National Academies of Sciences, Engineering, and Medicine
Publisher : National Academies Press
ISBN 13 : 030947082X
Total Pages : 89 pages
Book Rating : 4.3/5 (94 download)

Book Synopsis Testing at the Speed of Light by : National Academies of Sciences, Engineering, and Medicine

Download or read book Testing at the Speed of Light written by National Academies of Sciences, Engineering, and Medicine and published by National Academies Press. This book was released on 2018-06-08 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spacecraft depend on electronic components that must perform reliably over missions measured in years and decades. Space radiation is a primary source of degradation, reliability issues, and potentially failure for these electronic components. Although simulation and modeling are valuable for understanding the radiation risk to microelectronics, there is no substitute for testing, and an increased use of commercial-off-the- shelf parts in spacecraft may actually increase requirements for testing, as opposed to simulation and modeling. Testing at the Speed of Light evaluates the nation's current capabilities and future needs for testing the effects of space radiation on microelectronics to ensure mission success and makes recommendations on how to provide effective stewardship of the necessary radiation test infrastructure for the foreseeable future.

The ubiquitous mechanism accelerating cosmic rays at all the energies

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Author : Antonio Codino
Publisher : Società Editrice Esculapio
ISBN 13 :
Total Pages : 297 pages
Book Rating : 4.2/5 (22 download)

Book Synopsis The ubiquitous mechanism accelerating cosmic rays at all the energies by : Antonio Codino

Download or read book The ubiquitous mechanism accelerating cosmic rays at all the energies written by Antonio Codino and published by Società Editrice Esculapio. This book was released on 2021-02-04 with total page 297 pages. Available in PDF, EPUB and Kindle. Book excerpt: The mechanism accelerating Cosmic rays in the milky way galaxy and galaxy clusters is identified and described. The acceleration of Cosmic rays is a purely electrostatic process which operate up to the maximum energies of 1023 ev in galaxy clusters. Galactic Cosmic rays are accelerated in a pervasive electrostatic field active in the whole galaxy except in restricted regions shielded by Interstellar and stellar plasma as, for instance, the region occupied by the Solar system. It is proved that the Energy spectrum of the Cosmic radiation in the milky way galaxy, in the region where the Solar system resides, has a constant Spectral index comprised between 2.64-2.68 and the maximum energies of galactic protons are 3.0 × 1019 ev. The agreement of these results with the experimental data is discussed in detail and highlighted. The various physical processes that maintain the stability of the electrostatic structure in the milky way galaxy are the same that generate the galactic magnetic field. Accordingly, the intensity, orientation and direction of the galactic magnetic field are evaluated. The results of the calculation are compared with the observation data, optical and mostly radio astronomi data. The accord of the intensity, orientation and direction of the observed magnetic field with calculation is excellent.

Solar Modulation of Galactic Cosmic-ray Electrons

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Author :
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (917 download)

Book Synopsis Solar Modulation of Galactic Cosmic-ray Electrons by :

Download or read book Solar Modulation of Galactic Cosmic-ray Electrons written by and published by . This book was released on 1971 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: