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Cosmic Ray Intensity Variation During The Passage Of Interplanetary Disturbances
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Book Synopsis Cosmic Ray Intensity Variation During the Passage of Interplanetary Disturbances by : Rajesh Kumar Mishra
Download or read book Cosmic Ray Intensity Variation During the Passage of Interplanetary Disturbances written by Rajesh Kumar Mishra and published by . This book was released on 2024-01-30 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scientific Study from the year 2024 in the subject Physics - Astronomy, language: English, abstract: An investigation has been made to study the cosmic-ray decreases occurring during 2006 with respect to the arrival times of interplanetary shocks and magnetic clouds. We have identified three interplanetary magnetic cloud events during 5 February 2006, 13 April 2006 and 14 April 2006. The interplanetary magnetic field (B), north-south component of interplanetary magnetic field (Bz), solar wind velocity, sunspot number (R) and disturbance storm time index (Dst) associated with these events has been studied in the present work. Data (neutron monitor count rate) from Newark Neutron Monitor 9NM64 has been used. The north-south component of IMF (Bz) produce large geomagnetic disturbance on the onset of interplanetary magnetic clouds. The deviations in the interplanetary and solar wind plasma parameters are significantly correlated to the magnetic cloud events. The increase in Dst index, sunspot number (R) and Bz after the magnetic cloud event produces increase in cosmic ray intensity.
Book Synopsis Physics of the Inner Heliosphere II by : Rainer Schwenn
Download or read book Physics of the Inner Heliosphere II written by Rainer Schwenn and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: Physics of the Inner Heliosphere gives for the first time a comprehensive and complete summary of our knowledge of the inner solar system. Using data collected over more than 11 years by the HELIOS twin solar probes, one of the most successful ventures in unmanned space exploration, the authors have compiled six extensive reviews of the physical processes of the inner heliosphere and their relation to the solar atmosphere. Researchers and advanced students in space and plasma physics, astronomy, and solar physics will be surprised to see just how closely the heliosphere is tied to, and how sensitively it depends on, the sun. Volume 2 deals with particles, waves, and turbulence, with chapters on: - magnetic clouds - interplanetary clouds - the solar wind plasma and MHD turbulence - waves and instabilities - energetic particles in the inner solar system
Book Synopsis The Interplanetary Medium by : E.R. Dyer
Download or read book The Interplanetary Medium written by E.R. Dyer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Interplanetary Cosmic Ray Intensity by : James Alfred Van Allen
Download or read book Interplanetary Cosmic Ray Intensity written by James Alfred Van Allen and published by . This book was released on 1984 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using a number of Geiger-Mueller tubes in the University of Iowa instruments on Pioneer 10 and Pioneer 11, we have measured the interplanetary intensity of cosmic rays E sub P> 80 meV) over a complete solar activity cycle and out to a helicocentric distance of over 32 AU. Free space values of the background corrections due to the radioisotope thermal generators were determined during passage of Pioneer 11 under the dense rings of Saturn during the 1 September 1979 encounter. These improved corrections and ones inferred therefrom for Pioneer 10 have supplanted earlier estimates and have been applied to all data.
Book Synopsis Anisotropic wave train events and interplanetary disturbances by : Rajesh Kumar Mishra
Download or read book Anisotropic wave train events and interplanetary disturbances written by Rajesh Kumar Mishra and published by GRIN Verlag. This book was released on 2024-01-04 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scientific Essay from the year 2023 in the subject Physics - Astronomy, , language: English, abstract: This work aims to investigate the phenomenon of unusual variations in cosmic ray intensity in the period 1981-1994, particularly in the context of interplanetary magnetic clouds and low-amplitude anisotropic wave trains. The text provides a detailed analysis of the relationship between low-amplitude anisotropic wave trains and interplanetary perturbations, particularly with respect to changes in cosmic ray intensity. By analysing data from the Deep River Neutron Monitor, the interaction between high solar wind velocities, the orientation of the interplanetary magnetic field and the proton density is highlighted.
Download or read book Cosmic Rays written by L. I. Dorman and published by North Holland. This book was released on 1974 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Variations of Cosmic Ray Intensity by : Akademii︠a︡ nauk SSSR. I︠A︡kutskiĭ filial
Download or read book Variations of Cosmic Ray Intensity written by Akademii︠a︡ nauk SSSR. I︠A︡kutskiĭ filial and published by . This book was released on 1961 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cosmic Rays, the Sun and Geomagnetism by : Scott E. Forbush
Download or read book Cosmic Rays, the Sun and Geomagnetism written by Scott E. Forbush and published by American Geophysical Union. This book was released on 1993-01-11 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published by the American Geophysical Union as part of the Special Publications Series. This monograph is a tribute to the character and achievements of Scott Ellsworth Forbush (1904-1984) who, almost single-handedly with only technical assistance, laid the observational foundations for an important part of the subject of solar-interplanetary-terrestrial physics. The heart of his research was the meticulous and statistically sophisticated analysis of the temporal variations of cosmic-ray intensity as measured by ground-based detectors at various latitudes and altitudes. Forbush either discovered or put on a firm basis for the first time the following fundamental cosmic-ray effects: The quasi-persistent 27-day variation of intensity.The diurnal variation of intensity. The sporadic emission of very energetic (up to ≈GeV) protons by solar flares. Worldwide impulsive decreases (Forbush decreases) in intensity followed by gradual recovery. The 11-year cycle of intensity and its anticorrelation with the solar activity cycle as measured by sunspot numbers. The 22-year cycle in the amplitude of the diurnal variations.
Book Synopsis Cosmic ray intensity in interplanetary space by : Mežduvedomstvennyj geofizičeskij Komitet pri Prezidiume AN SSSR.
Download or read book Cosmic ray intensity in interplanetary space written by Mežduvedomstvennyj geofizičeskij Komitet pri Prezidiume AN SSSR. and published by . This book was released on 1982 with total page 143 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
Book Synopsis Cosmic ray modulation and interplanetary turbulences by : Rajesh Kumar Mishra
Download or read book Cosmic ray modulation and interplanetary turbulences written by Rajesh Kumar Mishra and published by GRIN Verlag. This book was released on 2023-12-12 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt: Document from the year 2023 in the subject Physics - Other, , language: English, abstract: A lot of efforts have been made to find out the possible origin of the ‘high amplitude anisotropic wave trains’ of enhanced diurnal variation of cosmic rays and to develop a suitable realistic theoretical model, which can explain the different harmonics in individual days. The main objective of this work is to study the first three harmonics of high amplitude wave trains of cosmic ray intensity over the period 1981-1994 for Deep River neutron monitoring station and their association with different solar and interplanetary transients. The amplitude of all the three harmonics (diurnal/semi-diurnal/tri-diurnal) of HAE events significantly remains quite high and statistically constant as compared to the annual average amplitude for majority of the events, whereas the time of maximum significantly shifts towards earlier hours for first harmonic and towards later hours for second and third harmonic as compared to the co-rotational direction for majority of the events. The occurrence of HAE events is dominant, when the value of interplanetary magnetic field (B) remains in the range (4 -10 nT); the product Ap x Dst remains negative only the ion density remains 20. It is noteworthy that the occurrence of high amplitude day is dominant during solar activity minimum years (1986-87) and solar activity maximum years (1991-92). The amplitude as well as time of maximum of the cosmic ray diurnal anisotropy is positively correlated to the sunspot numbers during HAEs.
Author :United States. National Aeronautics and Space Administration Scientific and Technical Information Division Publisher : ISBN 13 : Total Pages :1440 pages Book Rating :4.F/5 ( download)
Book Synopsis NASA Scientific and Technical Reports by : United States. National Aeronautics and Space Administration Scientific and Technical Information Division
Download or read book NASA Scientific and Technical Reports written by United States. National Aeronautics and Space Administration Scientific and Technical Information Division and published by . This book was released on 1966 with total page 1440 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Sun in Time by : Charles Philip Sonett
Download or read book The Sun in Time written by Charles Philip Sonett and published by University of Arizona Press. This book was released on 1991 with total page 1040 pages. Available in PDF, EPUB and Kindle. Book excerpt: An interdisciplinary approach to solar physics, as eighty-nine contributors trace the evolution of the Sun and provide a review of our current understanding of both its structure and its role in the origin and evolution of the solar system.
Book Synopsis Proceedings: Modulation by : Ranjan Roy Daniel
Download or read book Proceedings: Modulation written by Ranjan Roy Daniel and published by . This book was released on 1964 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cosmic Ray Collisions in Space. Part Iv- Cosmic Ray Hazards in the Solar System Final Report, Jul. 3, 1963 - Nov. 3, 1964 by :
Download or read book Cosmic Ray Collisions in Space. Part Iv- Cosmic Ray Hazards in the Solar System Final Report, Jul. 3, 1963 - Nov. 3, 1964 written by and published by . This book was released on 1965 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The High Latitude Heliosphere by : R.G. Marsden
Download or read book The High Latitude Heliosphere written by R.G. Marsden and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 505 pages. Available in PDF, EPUB and Kindle. Book excerpt: The launch in October 1990 of the joint ESA-NASA Ulysses mission marked the start of a new era in the study of the heliosphere. For the fIrst time, in-situ observations are being made covering the full range of heliographic latitudes. Following the successful gravity-assist manoeuvre at Jupiter in February 1992, Ulysses left the ecliptic plane in a southerly direction and headed back toward the Sun, passing over the southern solar pole in mid-1994. To mark these unique events, the 28th ESLAB Symposium, held in Friedrichs hafen, Germany, on 19-21 April 1994, was devoted to "The High Latitude Helio sphere". Following on from the highly successful 19th ESLAB Symposium "The Sun and the Heliosphere in Three Dimensions" (Les Diablerets, 1985), the purpose of the meeting was to review out-of-ecliptic results from the Ulysses mission obtained to date, and to provide a focus for the fIrst polar pass. Relevant results from other space missions, as well as ground-based and theoretical studies, were also included. Attended by 130 scientists, the main themes of the Symposium were The Sun and Corona, Large-Scale Heliospheric Structure, Energetic Particles in the Heliosphere, Cosmic Rays in the Heliosphere, and Interstellar Gas and Cosmic Dust. The scientifIc programme consisted of a number of Topical Review papers introducing various as pects of these themes, supplemented by a large number of contributed papers (72 in to tal) presented either orally or as posters. Undoubtedly, the excellent poster sessions formed one of the highlights of the meeting.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976-02 with total page 722 pages. Available in PDF, EPUB and Kindle. Book excerpt:
