... Listed below are questions submitted by users of "The Exploration of the Earth's Magnetosphere" and the answers given to them. ... The ones included below are either of the sort that keeps coming up again and again--the danger of solar eruptions, the reversal of the Earth's magnetic field, etc.-- or else the answers make a special point, going into extra details which might interest other users. ... Radiation Belts and Manned Space Flight . ... Capturing the Energy of the Solar Wind . ...

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• Trapped Radiation
• Trapped Radiation -- History
• Solar Energetic Particles

Circling around magnetic field lines. ... The ring current . Because positive ions and negative electrons drift in opposite directions (see drawing), that motion will create an electric current that circulates clockwise around the Earth when viewed from north. ... How then can the radiation belt and ring current arise? ... Electric fields are able to push trapped particles earthward, and unlike the purely magnetic motion described earlier, an electric field can also energize them. ...

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• Trapped Radiation -- History
• Medium
• Solar Energetic Particles

The space between the planets is far from empty. It contains: electromagnetic radiation (photons); hot plasma (electrons, protons and other ions) a.k.a. the solar wind ; cosmic rays; microscopic dust particles; and magnetic fields (primarily the Sun's). While the Sun 's radiation is obvious, the other components of the interplanetary medium were not discovered until very recently. ... Except near some of the planets, interplanetary space is filled with the Sun's magnetic field. ... Sun .. ...

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... Takuya Akahori "Faraday Rotation Measure due to the Intergalactic Magnetic Field" . Shae Brown "Cross-correlation of ATLAS and Spitzer-SWIRE Surveys: Probing intergalactic magnetic fields" . Roger Clay "Using low energy cosmic rays to investigate local galactic magnetic fields" . Roland Crocker "A new lower limit on the magnetic field around the Galactic Centre" . ... JinLin Han "Rotation measures of pulsars and radio sources for Galactic magnetic fields" . ...

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• Propagation through Turbulent Magnetic Fields
• Extragalactic/Intergalactic Magnetic Fields
• The magnetic fields of neutron stars

... Magnetic fields, subatomic particles, etc., traveling in different directions fill the universe. Do they deflect or otherwise affect one another? If so, isnт??t the information we get from them distorted? ... Neutrino astronomy, which is still in its infancy, is attractive because neutrinos interact so weakly with matter that few of these distorting effects occur. Get instant access to subscriber content on Astronomy.com! ...

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• How do neutron stars generate steady magnetic fields? | Astronomy.com
• Do the magnetic fields of the planets affect spacecraft during flybys? |
• Iт??ve read about background radiation fields that fill the universe. Is the

... HST . ... Data . ... HST Overview . Overview . ... Cycle 24 Announcement . ... Retrieving HST Data . ... Instruments . ... Grism Spectroscopy . ... UVIS Flats . ... Instrument Handbook . Data Handbook . ... The Wide Field Camera 3 (WFC3) is a fourth-generation UVIS/IR imager aboard the Hubble Space Telescope (HST). WFC3 was installed in May 2009 during HST servicing mission 4, and replaces the Wide Field Planetary Camera 2 (WFPC2). ... ISR 2016-09: WFC3 Cycle 22 Proposal 14007: UVIS Gain . ...

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• HDF-S Data Products
• HDF-S Flanking Fields Data Reduction / Technical Issues
• The Hubble Deep Field

... Cosmic rays are extremely high-energy particles from far beyond our Solar System. They provide us with important samples of material from outer space. ... But now, using the remains of a star that died a thousand years ago, astronomers have found clues as to where exactly cosmic rays form. ... A glowing, expanding ring of material is all that is left. ... Astronomers believe they could go on to grow into cosmic rays by colliding with the material of the ring. ...

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• ESO - Thesis Topic: The role of magnetic fields in the intermediate-mass star
• ESO - Thesis Topic: Magnetic fields in massive stars
• ESO - Thesis Topic: Star formation: probing magnetic fields and their spheres

The radiation belts around the planets are the interrnal regions of planets' magnetospheres where the own magnetic field of a planet keeps the charged particles (protons and electrons) having the great kinetic energy. ... They usually distinguish the Earth's internal and external radiation belts. the internal radiation belt of the Earth has the maximum particles density (mainly protones) over the equator in the height of 22 thousand km. ... Jupiter and Saturn have the powerful radiation belts. ...

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Origin & Evolution of Magnetic Fields Ellen Zweibel zweibel@astro.wisc.edu Depar tments of Astronomy & Physics University of Wisconsin, Madison and Center for Magnetic Self-Organization in Laboratory and Astrophysical Plasmas Origin & EvolutionofMagnetic Fields ­ p.1/17 Importance of the Problem A cosmological problem. ... Interplay with ISM studies Structure of galactic fields on large & small scales? How do fields affect turbulence? ... Origin & EvolutionofMagnetic Fields ­ p.7/17 We Also Know.. ...

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• http://www.naic.edu/~astro/frontiers/NewScieComa_Apr07.pdf
• Heiles Symposium Presentations
• Slide 25

... Head of the seminar: Prof. B.V. Somov, . ... The seminar considers the questions related to generation of magnetic fields in astrophysical plasmas, effect of the magnetic reconnection and particle acceleration in strong magnetic fields, the origin and propagation of cosmic rays, the flares and other non-stationary phenomena in the solar atmosphere and solar wind, Sun Earth connections and physical processes in the heliosphere. ... On the Topological Models and Topological Trigger of the Solar Flares...

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• Solar Physics Department

Bigbang Forum Message . Forums: . ... The Sun Energy Source Is Not Nuclear Fusion But Magnetic Fields. ... The sun is not heated by fusion reaction but by magnetic fields coming from the galactic center. The nuclear fusion is a by product of the magnetic fields heating. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• A Field Does Not Contain Energy? - an Astronomy Net Blackholes2 Forum Message

THE MAIN FIELDS OF MY INTEREST ARE RELATIVISTIC GRAVITATION AND COSMOLOGY . ... The first one is cosmology more precisely the anisotropy of the CMBR (Cosmic Microwave Background Radiation) . In the last paper devoted to the mapping of the CMBR and search for anisotropy we announced the observation of the signal (Strukov et al., ... We discuss the opportunity of explanation of the current observational data in the framework of this hypothesis. ... Some of my papers I devoted to the phenomena. ...

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• Seminars
• ADS Abstract Service Results
• The Stopping Radius

... Measurements of magnetic fields on scales larger than galaxy clusters are needed to distinguish between fields generated in the primordial Universe and those generated at later epochs, with implications for particle physics, cosmology, and astrophysics. ... In this talk I will review mechanisms for generating magnetic fields across cosmic time, implications for post-recombination physics, and current observational constraints on intergalactic magnetic fields. ...

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• http://www.mso.anu.edu.au/seminars/abstracts/20150326-1100.html
• http://www.mso.anu.edu.au/~geoff/AGD/MHD_Eqns.pdf
• COALA - Computational Astrophysics Laboratory

... V.N. Obridko . ... Local fields . ... Large Scale Magnetic Fields . Solar cycle . ... Solar magnetic fields . ... On the energy release by magnetic field dissipation in the solar atmosphere . Solar Physics, 1968, 5, 354-358 . ... Proc. 9th European Meeting on Solar Physics "Magnetic Fields and Solar Processes", Florence, Italy, 12-18 September 1999 (ESA SP-448, December 1999), pp. ... Some fractal properties of solar magnetic fields . ... Some structural properties of solar magnetic fields . ...

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... New results from Auger, however, indicate that 12 of 15 ultra high energy cosmic rays have sky directions statistically consistent with the positions of nearby active galactic nuclei . ... The Auger results also indicate that the highest energy cosmic rays are protons, since the electric charge of higher energy nuclei would force the Milky Way Galaxy 's magnetic field to deflect and effectively erase progenitor source direction. ... Publications with keywords: cosmic rays . ... Gamma Ray Moon . ...

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• Астронет > Cosmic Rays from Galactic Centers
• Journal "Peremennye Zvezdy"
• XWare > APOD

... The Sun is the closest star to us, and a regular object in our Galaxy. Solar activity manifests itself, primarily, in solar flares - episodic explosive energy release in the form of electromagnetic radiation and high energy particles (electrons and protons). The nature of the flares is related to cyclic variations of global and local magnetic fields in the atmosphere of the Sun. ... Such formations are called active regions. ...

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• Suppression of cooling by strong magnetic fields in white dwarf stars
• Physics of Magnetic Stars 2007
• New data on the cpmplex field structure of chemically peculiar stars

Next: Polarization efficiency: size/shape/orientation effects Up: Optical properties of cosmic Previous: The 2175? feature . To model the interstellar polarization one needs to calculate the forward-transmitted radiation for an ensemble of non-spherical aligned dust grains. ... Let non-polarized stellar radiation passes through a dusty cloud with a homogeneous magnetic field. ... The angle between the line of sight and the magnetic field is ( ). ... where the angle is connected with and ( ). ...

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• intro3e
• Coupled dipoles method (Purcell-Pennypacker, CDM)
• INTAS project 99/652: Conferences

... Antarctic Research (Vernadsky Station) . Ephemeris Astronomy . Lithosphere-low atmosp1here- ionosphere processes . Plasma processes in ionosphere and magnetosphere . The charged particles acceleration in the cosmic magnetic fields and their nonthermal radiation . ... Theory of plasma instabilities and turbulence; applications to wave processes in the ionospheric, magnetospheric and space plasmas . Large-scale wave processes in space plasma.Formation of nonlinear wave structures . ...

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• Solar Physics
• Additional Parts of Theoretical Astrophysics
• Near-Earth Space

In this talk we will present a series of results and open problems emerging from the study of infinite global fields. We will give a survey of the asymptotic properties of the Brauer-Siegel and Euler-Kronecker invariants in the classical situation of number fields and function fields as well as in certain higher dimensional cases. ...

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• Conference "Global Fields"
• Conference "Global fields"

. Русская версия (Win-1251) . English version

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• Combined database of sunspot magnetic fields
• Magnetic fields database
• Home Page