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6 produkter
1 062 kr
Skickas inom 10-15 vardagar
TheideafortheselectureseriesaroseataWorkshoponsolarphysicswhichwas heldattheInterUniversityCentreforAstronomyandAstrophysics(IUCAA), Pune/IndiainDecember2000. ThisWorkshopaimedtopresentacompreh- siveandup-to-dateoverviewofsolarphysicsforinterestedstudentsandfaculty inotherbranchesofastrophysics. Itwasintendedtoshowthatthis?eld,c- centratingonourcloseststar,isavitalandexciting?eldofresearch. Forthis purposeanumberofcomprehensivereviewswereorganisedwhichassumedthat theaudiencewouldhaveonlyabasicphysicsbackgroundbuthadnoprior knowledgeaboutsolarphysics. Thesetoflecturescoveredtopicsrangingfrom thesolarcoretotheconvectionzone,thephotosphere,chromosphere,andcorona andextendingtothesolarwindintheinterplanetarymedium DuringandaftertheWorkshoptherewasmuchenthusiasmforthisform ofpresentationanditwasfeltthattheselectures,augmentedbyincludingthe latestresearch?ndingsinthe?eld,wouldbebene?cialtoamuchlargeraudience. Thustheplanforthisbookoriginatedwhichcouldthenberealisedthanksto thepublishers,Springer-Verlag. Thereare9articlesbasedonthelecturesgivenattheWorkshop.Thearticle byChitreon"OverviewofSolarPhysics"givesanintroductiontothewhole varietyofphenomenaofsolarphysics,theproblemsandtheirsolutionsand salientresults. Thearticleon"InstrumentationandObservationaltechniques relatedtoSolarPhysics"byBhatnagardescribesindetailtheprinciplesof- larinstrumentationnormallyusedtotakesimplewhitelight,monochromatic andspectroscopicobservations. Practicalmethodstomeasureimportantbasic parameters,likearea,positionandtheclassi?cationofsunspotsaredescribed indetail. Antia'sarticleon"SolarInteriorandSeismology"describesthesolar interior,thetechniqueofhelioseismologyandhowthisnewtechniqueallowsa determinationoftheinternalstructureanddynamicsoftheSunandconstrains theoriesofstellarstructure,evolutionandangularmomentumtransport. - bastha'sarticleon"TheActiveandExplosiveSun"givesanoverviewofhighly time-dependentphenomenainthephotosphere,chromosphereandcoronaofthe Sunandprovidessometheoreticalmodelsofthesolar?ares. Hasan'sarticle on"MagneticFluxTubesandActivityontheSun"discussesthegeneration, storageandemergenceofmagnetic?eldsintheformofsmall-scale?uxtubes andexaminestheirroleinheatingofthechromosphere.Ventakrishan'sar- cleon"SolarMagneticFields"givesatheoreticaloverviewofthegeneration VI Preface ofmagnetic?eldsbythedynamomechanism,thegeneralmagnetic?eldtop- ogyandhowthemagnetic?eldsaremeasured. Ulmschneider'scontributionon "ThePhysicsofChromospheresandCoronae"discusseswhyallstarslikethe Sunhavehotouterchromosphericandcoronallayers. Itidenti?estheheating mechanismsanddynamicalprocesseswhichtakeplacebothinthepresenceand absenceofmagnetic?elds. ThearticlebyDwivedion"TheSolarCorona"gives ageneraloverviewofthesolarcorona,howitisobservedandwhatthephy- calprocessesleadingtoitsformationare. FinallyManoharan'scontributionon "TheSolarWind"describesthegenerationandmeasurementofthesolarwind derivedfrominsituobservationsbyspacecraftandinterplanetaryscintillation studies. Wehopethatbyreadingtheselectures,interestedpeople,amateurs,graduate andpostgraduatestudentswillbemotivatedtotakeupsolarphysicsasanarea ofresearch,andshareourexcitementaboutthewondersofourneareststar- theSun. WearethankfultoT. PadmanabhanandtheInterUniversityCentrefor AstronomyandAstrophysics,PunefororganisingandhostingthisWorkshop onSolarPhysics. Mumbai,Udaipur,Heidelberg H. M. Antia February2003 A. Bhatnagar P.Ulmschneider ListofContributors AshokAmbastha S. S. Hasan Udaipur Solar Observatory Indian Institute of Astrophysics Physical Research Laboratory Bangalore560034,India P. O. Box No. 198 hasan@iiap. ernet. in Udaipur313001,India ambastha@prl. ernet. in P. K. Manoharan Radio Astronomy Centre H. M. Antia Tata Institute Tata Institute of Fundamental Research of Fundamental Research P. O. Box 8 Homi Bhabha Road Udhagamandalam (Ooty) 643001, Mumbai400005,India India antia@tifr. res. in mano@racooty. ernet. in ArvindBhatnagar Udaipur Solar Observatory P. Ulmschneider Physical Research Laboratory Institut fur TheideafortheselectureseriesaroseataWorkshoponsolarphysicswhichwas heldattheInterUniversityCentreforAstronomyandAstrophysics(IUCAA), Pune/IndiainDecember2000. ThisWorkshopaimedtopresentacompreh- siveandup-to-dateoverviewofsolarphysicsforinterestedstudentsandfaculty inotherbranchesofastrophysics. Itwasintendedtoshowthatthis?eld,c- centratingonourcloseststar,isavitalandexciting?eldofresearch. Forthis purposeanumberofcomprehensivereviewswereorganisedwhichassumedthat theaudiencewouldhaveonlyabasicphysicsbackgroundbuthadnoprior knowledgeaboutsolarphysics.Thesetoflecturescoveredtopicsrangingfrom thesolarcoretotheconvectionzone,thephotosphere,chromosphere,andcorona andextendingtothesolarwindintheinterplanetarymedium DuringandaftertheWorkshoptherewasmuchenthusiasmforthisform ofpresentationanditwasfeltthattheselectures,augmentedbyincludingthe latestresearch?ndingsinthe?eld,wouldbebene?cialtoamuchlargeraudience. Thustheplanforthisbookoriginatedwhichcouldthenberealisedthanksto thepublishers,Springer-Verlag. Thereare9articlesbasedonthelecturesgivenattheWorkshop. Thearticle byChitreon"OverviewofSolarPhysics"givesanintroductiontothewhole varietyofphenomenaofsolarphysics,theproblemsandtheirsolutionsand salientresults. Thearticleon"InstrumentationandObservationaltechniques relatedtoSolarPhysics"byBhatnagardescribesindetailtheprinciplesof- larinstrumentationnormallyusedtotakesimplewhitelight,monochromatic andspectroscopicobservations. Practicalmethodstomeasureimportantbasic parameters,likearea,positionandtheclassi?cationofsunspotsaredescribed indetail.Antia'sarticleon"SolarInteriorandSeismology"describesthesolar interior,thetechniqueofhelioseismologyandhowthisnewtechniqueallowsa determinationoftheinternalstructureanddynamicsoftheSunandconstrains theoriesofstellarstructure,evolutionandangularmomentumtransport. - bastha'sarticleon"TheActiveandExplosiveSun"givesanoverviewofhighly time-dependentphenomenainthephotosphere,chromosphereandcoronaofthe Sunandprovidessometheoreticalmodelsofthesolar?ares. Hasan'sarticle on"MagneticFluxTubesandActivityontheSun"discussesthegeneration, storageandemergenceofmagnetic?eldsintheformofsmall-scale?uxtubes andexaminestheirroleinheatingofthechromosphere. Ventakrishan'sar- cleon"SolarMagneticFields"givesatheoreticaloverviewofthegeneration VI Preface ofmagnetic?eldsbythedynamomechanism,thegeneralmagnetic?eldtop- ogyandhowthemagnetic?eldsaremeasured. Ulmschneider'scontributionon "ThePhysicsofChromospheresandCoronae"discusseswhyallstarslikethe Sunhavehotouterchromosphericandcoronallayers. Itidenti?estheheating mechanismsanddynamicalprocesseswhichtakeplacebothinthepresenceand absenceofmagnetic?elds.ThearticlebyDwivedion"TheSolarCorona"gives ageneraloverviewofthesolarcorona,howitisobservedandwhatthephy- calprocessesleadingtoitsformationare. FinallyManoharan'scontributionon "TheSolarWind"describesthegenerationandmeasurementofthesolarwind derivedfrominsituobservationsbyspacecraftandinterplanetaryscintillation studies. Wehopethatbyreadingtheselectures,interestedpeople,amateurs,graduate andpostgraduatestudentswillbemotivatedtotakeupsolarphysicsasanarea ofresearch,andshareourexcitementaboutthewondersofourneareststar- theSun. WearethankfultoT. PadmanabhanandtheInterUniversityCentrefor AstronomyandAstrophysics,PunefororganisingandhostingthisWorkshop onSolarPhysics. Mumbai,Udaipur,Heidelberg H. M. Antia February2003 A. Bhatnagar P. Ulmschneider ListofContributors AshokAmbastha S. S. Hasan Udaipur Solar Observatory Indian Institute of Astrophysics Physical Research Laboratory Bangalore560034,India P. O. Box No. 198 hasan@iiap. ernet. in Udaipur313001,India ambastha@prl. ernet. in P. K. Manoharan Radio Astronomy Centre H. M. Antia Tata Institute Tata Institute of Fundamental Research of Fundamental Research P. O.Box 8 Homi Bhabha Road Udhagamandalam (Ooty) 643001, Mumbai400005,India India antia@tifr. res. in mano@racooty. ernet. in ArvindBhatnagar Udaipur Solar Observatory P. Ulmschneider Physical Research Laboratory Institut fur .. Theoretische Astrophysik P. O. Box No. 198 Univ. Heidelberg Udaipur313001,India Tiergartenstr. 15 arvind@prl. ernet. in 69121Heidelberg,Germany ulm@ita. uni-heidelberg. de S. M. Chitre Department of Physics University of Mumbai P. Venkatakrishnan Mumbai400098,India Udaipur Solar Observatory kumarchitre@hotmail. com Physical Research Laboratory P. O. Box No. 198 BholaN. Dwivedi Udaipur313001,India Department of Applied Physics pvk@prl. ernet. in Institute of Technology Banaras Hindu University Varanasi221005,India dwivedi@banaras. ernet. in TableofContents OverviewofSolarPhysics S. M. Chitre...1 1 Introduction...1 2 CompositionandStructureoftheSun...3 2. 1 EquationsofStellarStructure...4 2. 2 TheStandardSolarModel...7 3 ProbesoftheSun'sInterior...10 3. 1 SolarNeutrinoProblem...
Intelligent Life in the Universe
Principles and Requirements Behind Its Emergence
Inbunden, Engelska, 2006
1 589 kr
Skickas inom 10-15 vardagar
This book addresses all scientists and others interested in the origins, development and fate of intelligent species in the observable part of our universe. In particular, the author scrutinizes what kind of information about extraterrestrial intelligent life can be inferred from our own biological, cultural and scientific evolution and the likely future of mankind. The first part of the book provides the necessary background information from space and life sciences, thus making the book also accessible to students and the scientifically educated public.In this second edition of Peter Ulmschneider's successful and highly interesting book the author is putting even stronger emphasis on the geological conditions and consequences of life's conquest of land as the pre-condition for the emergence of life with our type of technical intelligence.
1 062 kr
Skickas inom 10-15 vardagar
TheideafortheselectureseriesaroseataWorkshoponsolarphysicswhichwas heldattheInterUniversityCentreforAstronomyandAstrophysics(IUCAA), Pune/IndiainDecember2000. ThisWorkshopaimedtopresentacompreh- siveandup-to-dateoverviewofsolarphysicsforinterestedstudentsandfaculty inotherbranchesofastrophysics. Itwasintendedtoshowthatthis?eld,c- centratingonourcloseststar,isavitalandexciting?eldofresearch. Forthis purposeanumberofcomprehensivereviewswereorganisedwhichassumedthat theaudiencewouldhaveonlyabasicphysicsbackgroundbuthadnoprior knowledgeaboutsolarphysics. Thesetoflecturescoveredtopicsrangingfrom thesolarcoretotheconvectionzone,thephotosphere,chromosphere,andcorona andextendingtothesolarwindintheinterplanetarymedium DuringandaftertheWorkshoptherewasmuchenthusiasmforthisform ofpresentationanditwasfeltthattheselectures,augmentedbyincludingthe latestresearch?ndingsinthe?eld,wouldbebene?cialtoamuchlargeraudience. Thustheplanforthisbookoriginatedwhichcouldthenberealisedthanksto thepublishers,Springer-Verlag. Thereare9articlesbasedonthelecturesgivenattheWorkshop.Thearticle byChitreon"OverviewofSolarPhysics"givesanintroductiontothewhole varietyofphenomenaofsolarphysics,theproblemsandtheirsolutionsand salientresults. Thearticleon"InstrumentationandObservationaltechniques relatedtoSolarPhysics"byBhatnagardescribesindetailtheprinciplesof- larinstrumentationnormallyusedtotakesimplewhitelight,monochromatic andspectroscopicobservations. Practicalmethodstomeasureimportantbasic parameters,likearea,positionandtheclassi?cationofsunspotsaredescribed indetail. Antia'sarticleon"SolarInteriorandSeismology"describesthesolar interior,thetechniqueofhelioseismologyandhowthisnewtechniqueallowsa determinationoftheinternalstructureanddynamicsoftheSunandconstrains theoriesofstellarstructure,evolutionandangularmomentumtransport. - bastha'sarticleon"TheActiveandExplosiveSun"givesanoverviewofhighly time-dependentphenomenainthephotosphere,chromosphereandcoronaofthe Sunandprovidessometheoreticalmodelsofthesolar?ares. Hasan'sarticle on"MagneticFluxTubesandActivityontheSun"discussesthegeneration, storageandemergenceofmagnetic?eldsintheformofsmall-scale?uxtubes andexaminestheirroleinheatingofthechromosphere.Ventakrishan'sar- cleon"SolarMagneticFields"givesatheoreticaloverviewofthegeneration VI Preface ofmagnetic?eldsbythedynamomechanism,thegeneralmagnetic?eldtop- ogyandhowthemagnetic?eldsaremeasured. Ulmschneider'scontributionon "ThePhysicsofChromospheresandCoronae"discusseswhyallstarslikethe Sunhavehotouterchromosphericandcoronallayers. Itidenti?estheheating mechanismsanddynamicalprocesseswhichtakeplacebothinthepresenceand absenceofmagnetic?elds. ThearticlebyDwivedion"TheSolarCorona"gives ageneraloverviewofthesolarcorona,howitisobservedandwhatthephy- calprocessesleadingtoitsformationare. FinallyManoharan'scontributionon "TheSolarWind"describesthegenerationandmeasurementofthesolarwind derivedfrominsituobservationsbyspacecraftandinterplanetaryscintillation studies. Wehopethatbyreadingtheselectures,interestedpeople,amateurs,graduate andpostgraduatestudentswillbemotivatedtotakeupsolarphysicsasanarea ofresearch,andshareourexcitementaboutthewondersofourneareststar- theSun. WearethankfultoT. PadmanabhanandtheInterUniversityCentrefor AstronomyandAstrophysics,PunefororganisingandhostingthisWorkshop onSolarPhysics. Mumbai,Udaipur,Heidelberg H. M. Antia February2003 A. Bhatnagar P.Ulmschneider ListofContributors AshokAmbastha S. S. Hasan Udaipur Solar Observatory Indian Institute of Astrophysics Physical Research Laboratory Bangalore560034,India P. O. Box No. 198 hasan@iiap. ernet. in Udaipur313001,India ambastha@prl. ernet. in P. K. Manoharan Radio Astronomy Centre H. M. Antia Tata Institute Tata Institute of Fundamental Research of Fundamental Research P. O. Box 8 Homi Bhabha Road Udhagamandalam (Ooty) 643001, Mumbai400005,India India antia@tifr. res. in mano@racooty. ernet. in ArvindBhatnagar Udaipur Solar Observatory P. Ulmschneider Physical Research Laboratory Institut fur TheideafortheselectureseriesaroseataWorkshoponsolarphysicswhichwas heldattheInterUniversityCentreforAstronomyandAstrophysics(IUCAA), Pune/IndiainDecember2000. ThisWorkshopaimedtopresentacompreh- siveandup-to-dateoverviewofsolarphysicsforinterestedstudentsandfaculty inotherbranchesofastrophysics. Itwasintendedtoshowthatthis?eld,c- centratingonourcloseststar,isavitalandexciting?eldofresearch. Forthis purposeanumberofcomprehensivereviewswereorganisedwhichassumedthat theaudiencewouldhaveonlyabasicphysicsbackgroundbuthadnoprior knowledgeaboutsolarphysics.Thesetoflecturescoveredtopicsrangingfrom thesolarcoretotheconvectionzone,thephotosphere,chromosphere,andcorona andextendingtothesolarwindintheinterplanetarymedium DuringandaftertheWorkshoptherewasmuchenthusiasmforthisform ofpresentationanditwasfeltthattheselectures,augmentedbyincludingthe latestresearch?ndingsinthe?eld,wouldbebene?cialtoamuchlargeraudience. Thustheplanforthisbookoriginatedwhichcouldthenberealisedthanksto thepublishers,Springer-Verlag. Thereare9articlesbasedonthelecturesgivenattheWorkshop. Thearticle byChitreon"OverviewofSolarPhysics"givesanintroductiontothewhole varietyofphenomenaofsolarphysics,theproblemsandtheirsolutionsand salientresults. Thearticleon"InstrumentationandObservationaltechniques relatedtoSolarPhysics"byBhatnagardescribesindetailtheprinciplesof- larinstrumentationnormallyusedtotakesimplewhitelight,monochromatic andspectroscopicobservations. Practicalmethodstomeasureimportantbasic parameters,likearea,positionandtheclassi?cationofsunspotsaredescribed indetail.Antia'sarticleon"SolarInteriorandSeismology"describesthesolar interior,thetechniqueofhelioseismologyandhowthisnewtechniqueallowsa determinationoftheinternalstructureanddynamicsoftheSunandconstrains theoriesofstellarstructure,evolutionandangularmomentumtransport. - bastha'sarticleon"TheActiveandExplosiveSun"givesanoverviewofhighly time-dependentphenomenainthephotosphere,chromosphereandcoronaofthe Sunandprovidessometheoreticalmodelsofthesolar?ares. Hasan'sarticle on"MagneticFluxTubesandActivityontheSun"discussesthegeneration, storageandemergenceofmagnetic?eldsintheformofsmall-scale?uxtubes andexaminestheirroleinheatingofthechromosphere. Ventakrishan'sar- cleon"SolarMagneticFields"givesatheoreticaloverviewofthegeneration VI Preface ofmagnetic?eldsbythedynamomechanism,thegeneralmagnetic?eldtop- ogyandhowthemagnetic?eldsaremeasured. Ulmschneider'scontributionon "ThePhysicsofChromospheresandCoronae"discusseswhyallstarslikethe Sunhavehotouterchromosphericandcoronallayers. Itidenti?estheheating mechanismsanddynamicalprocesseswhichtakeplacebothinthepresenceand absenceofmagnetic?elds.ThearticlebyDwivedion"TheSolarCorona"gives ageneraloverviewofthesolarcorona,howitisobservedandwhatthephy- calprocessesleadingtoitsformationare. FinallyManoharan'scontributionon "TheSolarWind"describesthegenerationandmeasurementofthesolarwind derivedfrominsituobservationsbyspacecraftandinterplanetaryscintillation studies. Wehopethatbyreadingtheselectures,interestedpeople,amateurs,graduate andpostgraduatestudentswillbemotivatedtotakeupsolarphysicsasanarea ofresearch,andshareourexcitementaboutthewondersofourneareststar- theSun. WearethankfultoT. PadmanabhanandtheInterUniversityCentrefor AstronomyandAstrophysics,PunefororganisingandhostingthisWorkshop onSolarPhysics. Mumbai,Udaipur,Heidelberg H. M. Antia February2003 A. Bhatnagar P. Ulmschneider ListofContributors AshokAmbastha S. S. Hasan Udaipur Solar Observatory Indian Institute of Astrophysics Physical Research Laboratory Bangalore560034,India P. O. Box No. 198 hasan@iiap. ernet. in Udaipur313001,India ambastha@prl. ernet. in P. K. Manoharan Radio Astronomy Centre H. M. Antia Tata Institute Tata Institute of Fundamental Research of Fundamental Research P. O.Box 8 Homi Bhabha Road Udhagamandalam (Ooty) 643001, Mumbai400005,India India antia@tifr. res. in mano@racooty. ernet. in ArvindBhatnagar Udaipur Solar Observatory P. Ulmschneider Physical Research Laboratory Institut fur .. Theoretische Astrophysik P. O. Box No. 198 Univ. Heidelberg Udaipur313001,India Tiergartenstr. 15 arvind@prl. ernet. in 69121Heidelberg,Germany ulm@ita. uni-heidelberg. de S. M. Chitre Department of Physics University of Mumbai P. Venkatakrishnan Mumbai400098,India Udaipur Solar Observatory kumarchitre@hotmail. com Physical Research Laboratory P. O. Box No. 198 BholaN. Dwivedi Udaipur313001,India Department of Applied Physics pvk@prl. ernet. in Institute of Technology Banaras Hindu University Varanasi221005,India dwivedi@banaras. ernet. in TableofContents OverviewofSolarPhysics S. M. Chitre...1 1 Introduction...1 2 CompositionandStructureoftheSun...3 2. 1 EquationsofStellarStructure...4 2. 2 TheStandardSolarModel...7 3 ProbesoftheSun'sInterior...10 3. 1 SolarNeutrinoProblem...
Intelligent Life in the Universe
Principles and Requirements Behind Its Emergence
Häftad, Engelska, 2010
1 589 kr
Skickas inom 10-15 vardagar
This book addresses all scientists and others interested in the origins, development and fate of intelligent species in the observable part of our universe. In particular, the author scrutinizes what kind of information about extraterrestrial intelligent life can be inferred from our own biological, cultural and scientific evolution and the likely future of mankind. The first part of the book provides the necessary background information from space and life sciences, thus making the book also accessible to students and the scientifically educated public.In this second edition of Peter Ulmschneider's successful and highly interesting book the author is putting even stronger emphasis on the geological conditions and consequences of life's conquest of land as the pre-condition for the emergence of life with our type of technical intelligence.
283 kr
Skickas inom 10-15 vardagar
Peter Ulmschneider zeichnet anhand von 10 Entwicklungsstufen den Weg von der Entstehung des Universums bis zum modernen Menschen. Unser Universum ist im Urknall als ein mit Materie gefüllter, sich unaufhörlich ausdehnender Raum entstanden, in dem die Naturgesetze immer komplexere Strukturen schufen: chemische Elemente, Sterne, Galaxien, Planeten, und schließlich den Menschen mit seinem Gehirn als Sitz der Intelligenz. Diese Entwicklung dürfte sich weiter fortsetzen und nach ihrem Zenit wieder mit dem Zerfall aller Strukturen enden, um einem stetig dünner werdenden, nur noch von Photonen und Neutrinos bevölkerten Weltall Platz zu machen. Am Ende des Universums steht der Kältetod - ein von den physikalischen Gesetzen vorhergesagter Zustand maximaler Entropie -, der ein auf ewige Zeiten festgefrorenes kosmisches Archiv schafft, das die individuelle Geschichte unseres Universums bewahrt.
Mechanisms of Chromospheric and Coronal Heating
Proceedings of the International Conference, Heidelberg, 5–8 June 1990
Häftad, Engelska, 2013
1 062 kr
Skickas inom 10-15 vardagar
One of the great problems of astrophysics is the unanswered question about the origin and mechanism of chromospheric and coronal heating.