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- Nanoflares abstract "A nanoflare is a very small solar flare which happens in the corona, the external atmosphere of the Sun.The hypothesis of "microflares" as a possible explanation of the coronal heating was first suggested by Gold and then later developed by Eugene Parker.According to Parker a nanoflare arises from an event of magnetic reconnection which converts the energy stored in the solar magnetic field into the motion of the plasma.The plasma motion (thought as fluid motion) occurs at length-scales so small that it is soon dumped by the turbulence and then by the viscosity. In such a way the energy is quickly converted into heat, and conducted by the free electrons along the magnetic field lines closer to the place where the nanoflare switches on. In order to heat a region of very high X-ray emission, over an area 1" x 1", a nanoflare of 1017 J should happen every 20 seconds, and 1000 nanoflares per second should occur in a large active region of105 x 105 km2.On the basis of this theory, the emission coming from a big flare could be caused by a series of micro-nanoflares, not observable individually.The nanoflare model has long suffered from a lack of observational evidence. Simulations predict that nanoflares produce a faint, hot (~10 MK) component of the emission measure . Unfortunately, current instruments, such as the Extreme-Ultraviolet Imaging Spectrometer on board Hinode, are not adequately sensitive to the range in which this faint emission occurs, making a confident detection impossible . However, recent evidence from the EUNIS sounding rocket has provided promising spectral evidence for non-flaring plasma at temperatures near 9 MK in active region cores .".
- Nanoflares thumbnail 378877main_Nanoflares_lg.jpg?width=300.
- Nanoflares wikiPageExternalLink nanoflares.html.
- Nanoflares wikiPageID "29802060".
- Nanoflares wikiPageLength "14813".
- Nanoflares wikiPageOutDegree "72".
- Nanoflares wikiPageRevisionID "682317570".
- Nanoflares wikiPageWikiLink Alfvén_wave.
- Nanoflares wikiPageWikiLink Alfvén_waves.
- Nanoflares wikiPageWikiLink Atmosphere.
- Nanoflares wikiPageWikiLink Category:Solar_phenomena.
- Nanoflares wikiPageWikiLink Category:Sun.
- Nanoflares wikiPageWikiLink Chromosphere.
- Nanoflares wikiPageWikiLink Corona.
- Nanoflares wikiPageWikiLink Coronal_cloud.
- Nanoflares wikiPageWikiLink Coronal_hole.
- Nanoflares wikiPageWikiLink Coronal_holes.
- Nanoflares wikiPageWikiLink Coronal_loop.
- Nanoflares wikiPageWikiLink Coronal_loops.
- Nanoflares wikiPageWikiLink Coronal_mass_ejection.
- Nanoflares wikiPageWikiLink Coronal_mass_ejections.
- Nanoflares wikiPageWikiLink Coronal_radiative_losses.
- Nanoflares wikiPageWikiLink Current_sheet.
- Nanoflares wikiPageWikiLink Current_sheets.
- Nanoflares wikiPageWikiLink Emission_lines.
- Nanoflares wikiPageWikiLink Energy.
- Nanoflares wikiPageWikiLink Eugene_Parker.
- Nanoflares wikiPageWikiLink Heat.
- Nanoflares wikiPageWikiLink Heliosphere.
- Nanoflares wikiPageWikiLink Hinode.
- Nanoflares wikiPageWikiLink Joule_heating.
- Nanoflares wikiPageWikiLink Magnetic_field.
- Nanoflares wikiPageWikiLink Magnetic_reconnection.
- Nanoflares wikiPageWikiLink Photosphere.
- Nanoflares wikiPageWikiLink Plasma_(physics).
- Nanoflares wikiPageWikiLink Plasma_physics.
- Nanoflares wikiPageWikiLink Self-organized_criticality.
- Nanoflares wikiPageWikiLink Solar_System.
- Nanoflares wikiPageWikiLink Solar_corona.
- Nanoflares wikiPageWikiLink Solar_flare.
- Nanoflares wikiPageWikiLink Solar_flares.
- Nanoflares wikiPageWikiLink Solar_magnetic_field.
- Nanoflares wikiPageWikiLink Solar_system.
- Nanoflares wikiPageWikiLink Solar_transition_region.
- Nanoflares wikiPageWikiLink Solar_wind.
- Nanoflares wikiPageWikiLink Spectral_line.
- Nanoflares wikiPageWikiLink Stellar_active_region.
- Nanoflares wikiPageWikiLink Sun.
- Nanoflares wikiPageWikiLink Thomas_Gold.
- Nanoflares wikiPageWikiLink Turbulence.
- Nanoflares wikiPageWikiLink Viscosity.
- Nanoflares wikiPageWikiLink X-ray.
- Nanoflares wikiPageWikiLink X-ray_astronomy.
- Nanoflares wikiPageWikiLink File:378877main_Nanoflares_lg.jpg.
- Nanoflares wikiPageWikiLink File:Solar_Flare_and_Coronal_Mass_Ejection_2010-02-12.jpg.
- Nanoflares wikiPageWikiLink File:Solar_Magnetic_Field_Lines.jpg.
- Nanoflares wikiPageWikiLink File:Solar_flare_(TRACE).gif.
- Nanoflares wikiPageWikiLinkText "Nanoflares".
- Nanoflares wikiPageWikiLinkText "nanoflares".
- Nanoflares hasPhotoCollection Nanoflares.
- Nanoflares wikiPageUsesTemplate Template:Cmn.
- Nanoflares wikiPageUsesTemplate Template:Portal.
- Nanoflares wikiPageUsesTemplate Template:Reflist.
- Nanoflares wikiPageUsesTemplate Template:The_Sun.
- Nanoflares subject Category:Solar_phenomena.
- Nanoflares subject Category:Sun.
- Nanoflares comment "A nanoflare is a very small solar flare which happens in the corona, the external atmosphere of the Sun.The hypothesis of "microflares" as a possible explanation of the coronal heating was first suggested by Gold and then later developed by Eugene Parker.According to Parker a nanoflare arises from an event of magnetic reconnection which converts the energy stored in the solar magnetic field into the motion of the plasma.The plasma motion (thought as fluid motion) occurs at length-scales so small that it is soon dumped by the turbulence and then by the viscosity. ".
- Nanoflares label "Nanoflares".
- Nanoflares sameAs Nanobrillamenti.
- Nanoflares sameAs Nanostorm.
- Nanoflares sameAs m.0fq29b1.
- Nanoflares sameAs Q1088170.
- Nanoflares sameAs Q1088170.
- Nanoflares sameAs 毫微閃焰.
- Nanoflares wasDerivedFrom Nanoflares?oldid=682317570.
- Nanoflares depiction 378877main_Nanoflares_lg.jpg.
- Nanoflares isPrimaryTopicOf Nanoflares.