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- Coronal_radiative_losses abstract "In astronomy and in astrophysics, for radiative losses of the solar corona, it is meant the energy flux irradiated from the external atmosphere of the Sun (traditionally divided into chromosphere, transition region and corona), and, in particular, the processes of production of the radiation coming from the solar corona and transition region, where the plasma is optically-thin. On the contrary, in the chromosphere, where the temperature decreases from the photospheric value of 6000 K to the minimum of 4400 K, the optical depth is about 1, and the radiation is thermal.The corona extends much further than a solar radius from the photosphere and looks very complex and inhomogeneous in the X-rays images taken by satellites (see the figure on the right taken by the XRT on board Hinode).The structure and dynamics of the corona are dominated by the solar magnetic field. There are strong evidences that even the heating mechanism, responsible for its high temperature of million degrees, is linked to the magnetic field of the Sun.The energy flux irradiated from the corona changes in active regions, in the quiet Sun and in coronal holes; actually, part of the energy is irradiated outwards, but approximately the same amount of the energy flux is conducted back towards the chromosphere, through the steep transition region. In active regions the energy flux is about 107 erg cm−2sec−1, in the quiet Sun it is roughly 8 105 – 106 erg cm−2sec−1, and in coronal holes 5 105 - 8 105 erg cm−2sec−1, including the losses due to the solar wind.The required power is a small fraction of the total flux irradiated from the Sun, but this energy is enough to maintain the plasma at the temperature of million degrees, since the density is very low and the processes of radiation are different from those occurring in the photosphere, as it is shown in detail in the next section.".
- Coronal_radiative_losses thumbnail Latest_xrt_soft_x-ray.gif?width=300.
- Coronal_radiative_losses wikiPageExternalLink XRayfromStellarCoronae.pdf.
- Coronal_radiative_losses wikiPageID "29820802".
- Coronal_radiative_losses wikiPageLength "13147".
- Coronal_radiative_losses wikiPageOutDegree "86".
- Coronal_radiative_losses wikiPageRevisionID "630140665".
- Coronal_radiative_losses wikiPageWikiLink Astronomy.
- Coronal_radiative_losses wikiPageWikiLink Astrophysical_X-ray_source.
- Coronal_radiative_losses wikiPageWikiLink Astrophysics.
- Coronal_radiative_losses wikiPageWikiLink Atmosphere.
- Coronal_radiative_losses wikiPageWikiLink Black-body_radiation.
- Coronal_radiative_losses wikiPageWikiLink Bremsstrahlung.
- Coronal_radiative_losses wikiPageWikiLink Category:Emission_spectroscopy.
- Coronal_radiative_losses wikiPageWikiLink Category:Plasma_physics.
- Coronal_radiative_losses wikiPageWikiLink Category:Sun.
- Coronal_radiative_losses wikiPageWikiLink Category:X-ray_astronomy.
- Coronal_radiative_losses wikiPageWikiLink Chromosphere.
- Coronal_radiative_losses wikiPageWikiLink Corona.
- Coronal_radiative_losses wikiPageWikiLink Coronal_hole.
- Coronal_radiative_losses wikiPageWikiLink Coulombs_law.
- Coronal_radiative_losses wikiPageWikiLink Doppler_effect.
- Coronal_radiative_losses wikiPageWikiLink Electron.
- Coronal_radiative_losses wikiPageWikiLink Emission_spectrum.
- Coronal_radiative_losses wikiPageWikiLink Energy_flux.
- Coronal_radiative_losses wikiPageWikiLink Fraunhofer_lines.
- Coronal_radiative_losses wikiPageWikiLink Galactic_halo.
- Coronal_radiative_losses wikiPageWikiLink Helios.
- Coronal_radiative_losses wikiPageWikiLink Hinode.
- Coronal_radiative_losses wikiPageWikiLink Ion.
- Coronal_radiative_losses wikiPageWikiLink Line-of-sight_propagation.
- Coronal_radiative_losses wikiPageWikiLink Luminous_intensity.
- Coronal_radiative_losses wikiPageWikiLink Maxwell–Boltzmann_distribution.
- Coronal_radiative_losses wikiPageWikiLink NIXT.
- Coronal_radiative_losses wikiPageWikiLink Nanoflares.
- Coronal_radiative_losses wikiPageWikiLink Optical_depth.
- Coronal_radiative_losses wikiPageWikiLink Photon.
- Coronal_radiative_losses wikiPageWikiLink Photosphere.
- Coronal_radiative_losses wikiPageWikiLink Pioneer_program.
- Coronal_radiative_losses wikiPageWikiLink Planck_constant.
- Coronal_radiative_losses wikiPageWikiLink Plasma_(physics).
- Coronal_radiative_losses wikiPageWikiLink Plasma_recombination.
- Coronal_radiative_losses wikiPageWikiLink Radiation.
- Coronal_radiative_losses wikiPageWikiLink Saha_ionization_equation.
- Coronal_radiative_losses wikiPageWikiLink Skylab.
- Coronal_radiative_losses wikiPageWikiLink Solar_Maximum_Mission.
- Coronal_radiative_losses wikiPageWikiLink Solar_and_Heliospheric_Observatory.
- Coronal_radiative_losses wikiPageWikiLink Solar_transition_region.
- Coronal_radiative_losses wikiPageWikiLink Solar_wind.
- Coronal_radiative_losses wikiPageWikiLink Spectral_line.
- Coronal_radiative_losses wikiPageWikiLink Spectroscopy.
- Coronal_radiative_losses wikiPageWikiLink Spectrum.
- Coronal_radiative_losses wikiPageWikiLink Spontaneous_emission.
- Coronal_radiative_losses wikiPageWikiLink Stellar_active_region.
- Coronal_radiative_losses wikiPageWikiLink Stimulated_emission.
- Coronal_radiative_losses wikiPageWikiLink Sun.
- Coronal_radiative_losses wikiPageWikiLink TRACE.
- Coronal_radiative_losses wikiPageWikiLink Turbulence.
- Coronal_radiative_losses wikiPageWikiLink X-ray.
- Coronal_radiative_losses wikiPageWikiLink X-ray_astronomy.
- Coronal_radiative_losses wikiPageWikiLink Yohkoh.
- Coronal_radiative_losses wikiPageWikiLink Zeeman_effect.
- Coronal_radiative_losses wikiPageWikiLink File:EffectiveTemperature_300dpi_e_it.png.
- Coronal_radiative_losses wikiPageWikiLink File:FraunhoferLinesDiagram.jpg.
- Coronal_radiative_losses wikiPageWikiLink File:Latest_xrt_soft_x-ray.gif.
- Coronal_radiative_losses wikiPageWikiLinkText "Coronal radiative losses".
- Coronal_radiative_losses wikiPageWikiLinkText "coronal radiative losses".
- Coronal_radiative_losses wikiPageUsesTemplate Template:Cite_book.
- Coronal_radiative_losses wikiPageUsesTemplate Template:Cite_journal.
- Coronal_radiative_losses wikiPageUsesTemplate Template:ColBreak.
- Coronal_radiative_losses wikiPageUsesTemplate Template:EndMultiCol.
- Coronal_radiative_losses wikiPageUsesTemplate Template:MultiCol.
- Coronal_radiative_losses wikiPageUsesTemplate Template:Portal.
- Coronal_radiative_losses wikiPageUsesTemplate Template:Reflist.
- Coronal_radiative_losses wikiPageUsesTemplate Template:Technical.
- Coronal_radiative_losses wikiPageUsesTemplate Template:The_Sun.
- Coronal_radiative_losses subject Category:Emission_spectroscopy.
- Coronal_radiative_losses subject Category:Plasma_physics.
- Coronal_radiative_losses subject Category:Sun.
- Coronal_radiative_losses subject Category:X-ray_astronomy.
- Coronal_radiative_losses type Astrophysic.
- Coronal_radiative_losses type Physic.
- Coronal_radiative_losses type Sub-discipline.
- Coronal_radiative_losses comment "In astronomy and in astrophysics, for radiative losses of the solar corona, it is meant the energy flux irradiated from the external atmosphere of the Sun (traditionally divided into chromosphere, transition region and corona), and, in particular, the processes of production of the radiation coming from the solar corona and transition region, where the plasma is optically-thin.".
- Coronal_radiative_losses label "Coronal radiative losses".
- Coronal_radiative_losses sameAs Q3899734.
- Coronal_radiative_losses sameAs Perdite_radiative_della_corona_solare.
- Coronal_radiative_losses sameAs m.0fq2j07.
- Coronal_radiative_losses sameAs Q3899734.
- Coronal_radiative_losses wasDerivedFrom Coronal_radiative_losses?oldid=630140665.
- Coronal_radiative_losses depiction Latest_xrt_soft_x-ray.gif.
- Coronal_radiative_losses isPrimaryTopicOf Coronal_radiative_losses.