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Topic: Interplanetary physics


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In the News (Mon 16 Nov 09)

  
  Cosmic dust - Wikipedia, the free encyclopedia
The study of dust is a many-faceted research topic that brings together different scientific fields: physics (solid-state, electromagnetic theory, surface physics, statistical physics, thermal physics), (fractal mathematics), chemistry (chemical reactions on grain surfaces), meteoritics, as well as every branch of astronomy and astrophysics.
In interplanetary space, dust detectors on planetary spacecraft have been built and flown, some are presently flying, and more are presently being built to fly.
Dust detectors in the past flew on the HEOS-2, Helios, Pioneer 10, Pioneer 11, Giotto, and Galileo space missions, on the Earth-orbiting LDEF, Eureca, and Gorid satellites, and some scientists have utilized the Voyager 1,2 spacecraft as giant Langmuir probes to directly sample the cosmic dust.
en.wikipedia.org /wiki/Cosmic_dust   (1891 words)

  
 Hannes Alfvén - Wikipedia, the free encyclopedia
Alfvén made many contributions to plasma physics, including theories describing the behavior of aurorae, the Van Allen radiation belts, the effect of magnetic storms on the Earth's magnetic field, the terrestrial magnetosphere, and the dynamics of plasmas in our galaxy (plasma cosmology).
In 1934, Alfvén taught physics at both the University of Uppsala and the Nobel Institute for Physics in Stockholm, Sweden.
Alfvén proposed a "plasma universe", from which he proposed a plasma cosmology, and after receiving a cold reception in the wider scientific community, stated that he thought 'the theory may take time to be accepted by the popular consciousness'.
en.wikipedia.org /wiki/Hannes_Alfven   (1846 words)

  
 ANGEO - Abstracts
The solar origin of 40 interplanetary disturbances observed in the vicinity of the Earth between January 1997 and June 1998 is investigated in this paper.
Analysis starts with the establishment of a list of Interplanetary Mass Ejections or ICMEs (magnetic clouds, flux ropes and ejecta) and of Interplanetary Shocks measured at WIND for the period for which we had previously investigated the coupling of the interplanetary medium with the terrestrial ionospheric response.
Conclusions are finally drawn on the propagation of the disturbances in the interplanetary medium, the preferential association of disturbances detected close to the Earth’s orbit with halos or wide CMEs and the location on the solar disk of solar sources of the interplanetary disturbances during that period.
www.copernicus.org /EGU/annales/21/847.htm   (371 words)

  
 UM-Built Sensor on Cassini Begins to Shed Light on Saturn's Magnetosphere :: University Communications Newsdesk, ...
The University of Maryland space physics group specializes in measurements of space plasmas and of suprathermal and energetic ions found in solar, planetary, and interplanetary environments.
Douglas C. Hamilton: professor of physics, space physics group Expertise: magnetospheres of the earth and outer planets, space physics, interplanetary physics Hamilton and the university's space physics group built the CHEMS ion composition instrument on Cassini.
George Gloeckler: professor in the Department of Physics and the university's Institute for Physical Science and Technology, space physics group Expertise: space exploration, space probe instrumentation and space physics Gloeckler is a Distinguished University Professor and a member of the National Academy of Sciences.
www.newsdesk.umd.edu /scitech/release.cfm?ArticleID=941   (1349 words)

  
 Space Physics Group Activites 1998-1999
The Space Physics Group (SPG) studies the chain of energy transport from the surface of the sun to its eventual arrival in planetary stratospheres.
It is using interplanetary measurements to investigate the structure of coronal mass ejections and their evolution in space.
The Space Physics Group also plays a vital role in the community in disseminating the observations from space missions, maintaining communications within the field, educating students of space physics through textbooks and software, interacting with visitors and training students.
www-ssc.igpp.ucla.edu /ssc/spgroup/annual98-99.html   (2852 words)

  
 Department of Physics at the University of Florida - Job Opportunities   (Site not responding. Last check: 2007-10-29)
The purpose of this program is to offer a unique opportunity for a select group of physics graduate students to spend 5 to 6 months at the KITP, participate in KITP research programs and broaden their understanding of physics in areas of current research.
Minimum requirements are a PhD in physics, astronomy, or a field closely related to radio astronomy, and a commitment to and talent for teaching physics and astronomy at both the graduate and undergraduate level.
The WVU Physics Department as 15 tenured/tenure-track faculty, 3 research faculty, 9 postdoctoral researchers, and 50 graduate students primarily engaged in condensed matter physics and laboratory and space plasma physics.
www.phys.ufl.edu /jobs/outofstatelistings.htm   (1461 words)

  
 Physics
Carl M. Bender, a professor of physics in Arts and Sciences, is a frequent speaker to area groups as well as at scientific conferences around the world because he excels in communicating to colleagues, future scientists and the general public.
A leading figure in condensed matter physics and materials science, Solin's research focus is in fundamental physical phenomena in ordered solids, such as diamonds, and disordered solids, such as window glass.
The research interests of Ernst Zinner are centered on the study of primitive meteorites and interplanetary dust, particularly their record of the nucleosynthesis of elements in stars and the formation of the solar system.
news-info.wustl.edu /group/page/normal/44.html?s=persons   (850 words)

  
 Science -- Stone 293 (5527): 55
Cairns, School of Physics, University of Sydney, Australia, provides lecture notes (see the course syllabus for the topics of the numbered lectures) for a course on solar and space physics.
Schombert, Department of Physics, University of Oregon, provides lecture notes on the interstellar medium for a course on the birth and death of stars.
Burlaga is in the Interplanetary Physics Branch of the Laboratory for Extraterrestrial Physics at NASA GSFC.
ajdubre.tripod.com /Physics-2/EdgeInterstellarSpace/55.html   (3541 words)

  
 Space Physics at the U. of Washington
We define Space Physics to be the study of ionized gas in the earth's environment and its interaction with the neutral atmosphere and with natural and man made boundaries.
Space physics research at the University of Washington covers topics from very weakly ionized gas, such as that of the earth's lower and middle atmosphere, to the plasmas of interplanetary space which are nearly fully ionized.
Understanding space physics involves learning about a multiply connected set of ionized gas phenomena stretching from the sun to the surface of the earth and the other planets.
www.geophys.washington.edu /Space   (372 words)

  
 [No title]   (Site not responding. Last check: 2007-10-29)
The interplanetary plasma tually flows with a speed much eater than that of the earth.
The final boundary between arth and interplanetary space is e magnetosphere, said Bier- ann.
These six are backed by three associate professors, one of geo- physical oceanography, one of biological and chemical oceanog- raphy, and the third of physical oceanography.
www-tech.mit.edu /archives/VOL_084/TECH_V084_S0236_P013.txt   (1144 words)

  
 Space Physics Group Activites 1997-1998
The Space Physics Group (SPG) studies the chain of energy transport from the surface of the sun to eventual arrival in planetary stratospheres.
The plasma signatures within FTEs unambiguously show the reconnection of the interplanetary magnetic field and the Earth s magnetic field and indicate that the magnetic field lines within the central core region are open allowing the inflow of cold magnetosheath plasma and the outflow of hot magnetospheric plasma through the open flux tube.
The reconnection picture is further supported by the observation of separate electron and ion edges at the trailing boundary of a northward moving flux tube, expected as time-of-flight effects on newly reconnected field lines.
www-ssc.igpp.ucla.edu /ssc/spgroup/annual97-98.html   (2688 words)

  
 Astronomy Departments   (Site not responding. Last check: 2007-10-29)
The Astronomical Observatory is an institute in Faculty of Mathematics and Physics at the Jagiellonian University in Cracow, Poland.
The theoretical particle physics and cosmology group at Dartmouth conducts research into general relativity, field theory, particle physics and phase transitions in the early universe, and baryogenesis, as well as investigations of star formation and the origins of large scale structure in the universe.
Astronomy and Astrophysics in the Physics Department of Ohio University at Athens, Ohio.
www.vilspa.esa.es /astroweb/yp_dept.html   (10344 words)

  
 Interplanetary Space Physics
UCLA IGPP/SSC Institute of Geophysics and Planetary Physics @ UCLA:
Space Plasma Physics - Particles and Imaging Research Univ. of Iowa.
Space Physics and Astronomy Converge in Exploration of Jupiter's Magnetosphere Earth in Space Vol.8 #2, October 1995, American Geophysical Union
hometown.aol.com /gca7sky/planets/s_physics.htm   (332 words)

  
 Presentations
To be published in the Proceedings of the STIP Symposium on Physical Interpretation of Solar/Interplanetary and Cometary Intervals held at Huntsville, AL in May 1987.
Presented at the AGU Chapman Conference on the Physics of Magnetic Flux Ropes in Hamilton, Bermuda from March 27-31, 1989.
Webb, D.F. and Wright, C.S.: 1989, "The Signatures of Flares in the Interplanetary Medium at 1 AU".
www2.bc.edu /~webbd/dwtalks.html   (4689 words)

  
 Ernst K. Zinner
Bio: The research interests of Ernst Zinner are centered on the study of primitive meteorites and interplanetary dust, particularly their record of the nucleosynthesis of elements in stars and the formation of the solar system.
The most important information is contained in presolar grains that condensed in the expanding atmospheres and the explosions of stars and survived the formation of the solar system and in refractory solids that formed in the solar system but carry a presolar isotopic signature.
The research interests of Professor Zinner are centered on the study of primitive meteorites and interplanetary dust, particularly their record of the nucleosynthesis of elements in stars and the formation of the solar system.
news-info.wustl.edu /sb/page/normal/486.html   (1400 words)

  
 [No title]
In 1934, Alfvén taught physics at both the University of Uppsala and the Nobel Institute for Physics in Stockholm.
Alfvén once submitted a paper on the theory of magnetic storms and auroras to the leading American journal Terrestrial Magnetism and Atmospheric Electricity and the paper was rejected on the ground that it did not agree with the theoretical calculations of convential physics of the time.
Among physicists today, there is a lack of awareness of Alfvén's contributions to fields of physics where his ideas are routinely used without recognition.
www.famous-astrophysicists.com /astrophysicists/alfven.htm   (1144 words)

  
 CNR-->Institute IFSI   (Site not responding. Last check: 2007-10-29)
The Institute of Physics of Interplanetary Space, hereafter called IFSI, has been created by merging the original IFSI, located in Rome, and the cosmic ray group of the Institute of Cosmogeophysics, located in Turin.
The synergies between the two Institute branches are mainly in the field of neutrino physics and gravitation: thanks to that it has been possible to built up a thematic section to which belong both Turin and Rome researchers, named “Neutrino Astronomy and Gravitation”.
The CR observations are mainly carried out by ground based apparata, however the increasing possibility of performing CR experiments by space missions is not discarded.This activity of the Turin group is well eradicated into a research field that was traditionally belonging to the Astronomy and Astrophysics sectors of CNR.
www.cnr.it /istituti/Descrizione_eng.html?cds=034   (583 words)

  
 NASA GSFC Space Physics Theory: Turbulence
Impulsive flares are the most difficult to explain by virtue of their acceleration of a huge number of particles to relativistic energies on short time scales, and it is these in which we are particularly interested.
The number of ions that escape into the interplanetary medium are typically less numerous, but they probe the acceleration process more directly and reveal the acceleration efficiency and its dependence on species composition.
The physical scenario we present assumes the presence of small or finite amplitude AlfvÈn waves generated during the initial flare energy release, perhaps by the large scale restructuring of the magnetic field or the precipitation of energetic electrons into the lower corona.
lep694.gsfc.nasa.gov /sptp   (3070 words)

  
 [No title]
Topics include (but are not limited to) solar activities such as flares and coronal mass ejection, solar wind, heliosphere, interactions of solar wind with planets and the interplanetary medium, interplanetary (density and electromagnetic) turbulence, particle acceleration, plasma waves, nonlinear processes, shocks and discontinuities.
The objective of the IHY is to discover the physical mechanisms at work which couple the atmosphere of the Earth to events that drive them from the heliosphere.
Understanding the role of an exact description of the local plasma (micro- or macro-) physics in determining the non-linear states of the large global systems is one of the issues of this debate.
solarnews.nso.edu /2005/20050117.txt   (3600 words)

  
 [No title]   (Site not responding. Last check: 2007-10-29)
HISTORY OF SPAN The Space Physics Analysis Network was conceptualized in 1980 and began operation with three major nodes in 1981.
SPAN originally supported Solar-Terrestrial and Interplanetary Physics, but its support is being expanded to include Astrophysics, Atmospheric, Climate, Oceans, Atmospheric, Space Lab/Space Station, Earth Science, etc. The number of SPAN nodes has increased significantly, they are distributed across the U.S., Canada, and Europe.
In May 1980 the Space Plasma Physics Branch of the Office of Space Science of NASA Headquarters funded a project at Marshall Space Flight Center (MSFC) to investigate ways of performing correlative space plasma research nationwide on a daily basis.
cctr.umkc.edu /ftp/anon_ftp/net/NETWORK_INFO/SPAN.INFO   (9936 words)

  
 [No title]   (Site not responding. Last check: 2007-10-29)
This dependence is of key importance in understanding the transport of heavy ions from the photosphere to the corona.
As a final example, the transport of energetic particles from the sun to the earth through the turbulent interplanetary medium, and the transport of shock accelerated particles give insights into the plasma properties of the solar wind plasma under widely differing levels of turbulence.
This NSF grant will take advantage of the existing computers and program libraries, and large data sets at the University of Maryland to investigate a number of solar and interplanetary physics problems which in many cases can be best attacked using statistical surveys and/or multi-spacecraft observations.
www.cs.utexas.edu /users/yguan/NSFAbstracts/Abstracts/GEO/ATM.GEO.a8720608.txt   (255 words)

  
 PKAL » Summer Student Research Opportunities (SSRO) in Space Science
A limited number of paid positions are available to undergraduate and graduate students to encourage an interest in physics, solar physics, extraterrestrial physics, astronomy, astrophysics, and computer science/ information technology.
Scientific research within the laboratories is directed toward both experimental and theoretical activities in the following areas: x-ray, gamma-ray, and cosmic-ray astrophysics; UV/optical astronomy; solar physics; infrared astrophysics; astrochemistry; interplanetary physics; planetary systems; planetary magnetospheres; and, electrodynamics.
Interplanetary gas and dust: exploration using a combination of direct and indirect observations of interstellar atoms and neutralized solar wind ions from the IMAGE/LENA imager, and energetic "pickup" ions in the solar wind from Wind, ACE, and Ulysses.
www.pkal.org /documents/SSROInSpaceScience.cfm   (1052 words)

  
 Modeling the solar energetic particle events in closed structures of interplanetary magnetic field
Department of Physics and the Väisälä Institute for Space Physics and Astronomy, University of Turku, Turku, Finland
In the framework of focused transport, we perform Monte Carlo simulations of the SEP propagation and adiabatic deceleration caused by an overall expansion of the CME.
The loop-like structure of the interplanetary magnetic field strongly modifies the intensity-time profiles of high-energy protons.
www.agu.org /pubs/crossref/2005/2005JA011082.shtml   (383 words)

  
 [No title]
The Department of Physics provides comprehensive undergraduate and graduate studies in physics, with specializations in space science, nuclear physics, and condensed matter physics.
An active sounding rocket program, a theoretical group with strong ties to solar and interplanetary physics, and several technology development programs are also part of the Center.
Applicants must have a Ph.D. in Physics, Space Physics, Astrophysics, or related fields, seven or more years of professional research experience beyond the Ph.D. Inquiries and applications, including curriculum vitae, bibliography, a brief summary of teaching interests and future research plans, and the contact information of at least four references, should be directed to Prof.
isdcul3.unige.ch /Newsletter/N10/job.txt   (409 words)

  
 Introduction   (Site not responding. Last check: 2007-10-29)
I have very strong education background in physics (including plasma physics), mathematics, and computer sciences.
Specifically, my current research interest and expertise cover the following areas: solar-terrestrial relationships, plasmas physics in space, solar wind-magnetosphere-ionosphere-thermosphere coupling, large scale modeling of magnetosphere, magnetosheath and magnetopause physics, interplanetary shocks, Io Mass loading in Jupiter's magnetosphere, computational fluid dynamics, numerical methods and advanced simulation techniques, and high performance computing.
Understanding the space environment and being able to accurately predict turbulent space weather is critical to the nation as we face a changing world that includes more and more orbiting satellites, satellite-based communication networks, and global positioning systems for ship and airline navigation.
nis-www.lanl.gov /~ywang/contributions/node2.html   (289 words)

  
 Elementary Classical Physics: Mechanics [encyclopedia]   (Site not responding. Last check: 2007-10-29)
This document is a short introduction to basic concepts and definitions in classical physics.
The most fundamental concepts in physics were derived by the great English scientist Isaac Newton in the 17th century, in the form of what are now known as Newton's three laws of motion.
This chapter provides a short study of the physics of rotational motion.
www.kosmoi.com /Science/Physics/Mechanics   (327 words)

  
 S.T. Wu: Publications   (Site not responding. Last check: 2007-10-29)
Three-Dimensional Numerical Simulation of Interplanetary Magnetic Field Changes at 1 AU as a Consequence of Simulated Solar Flares, S. Wu, C. Wu and M. Dryer, in Proceedings of the 26th ESLAB Symposium on Study of the Solar-Terrestrial System, (R. Reinhard, ed.), pp 333-336, Killarney, Ireland, 16-19 June 1992.
Three-Dimensional, Time-Dependent MHD Model of a Solar Flare-Generated Interplanetary Shock Wave, Symposium Proceedings; The Sun and the Heliosphere in Three-Dimensions (K.-P. Wenzel and R. Marsden, Eds.), pp 136-140, "Astrophysics and Space Science Library", D. Reidel Publishing Co., Dordrecht, The Netherlands, 1986.
Interplanetary Disturbances Produced by a Flare Generated Shock With Precursor Effects, S. Wu, J. Wang, M. Dryer, G. Gislason, Z. Smith and S. Han, Proceedings of SCOSTEP/STIP Symposium on Solar/Interplanetary Intervals, 383-394, (M. Shea, et al., Eds.), Royal Irish Academy, 1984.
cspard.uah.edu /~wus/pub.html   (10446 words)

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