The Sun, Our Star |
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Page 63
... gases in its core to a very high density - of about 160 grams per cubic centimeter , or about 15 times that of lead . These compressed gases in the core must press outward with a pressure equal to the inward pressure of the overlying gases ...
... gases in its core to a very high density - of about 160 grams per cubic centimeter , or about 15 times that of lead . These compressed gases in the core must press outward with a pressure equal to the inward pressure of the overlying gases ...
Page 111
... gas like the Sun's interior , magnetic fields and gases are tied together ; the gases cannot easily move across the magnetic field direction . If the field is very strong , as in a sunspot , the gases cannot push it around , and so 4.21 ...
... gas like the Sun's interior , magnetic fields and gases are tied together ; the gases cannot easily move across the magnetic field direction . If the field is very strong , as in a sunspot , the gases cannot push it around , and so 4.21 ...
Page 178
... gases , and magnetic field lines are " frozen " together . However , there is a basic difference between the two regions . In the deep solar interior where the pressure exerted by the dense gases vastly exceeds the forces that magnetic ...
... gases , and magnetic field lines are " frozen " together . However , there is a basic difference between the two regions . In the deep solar interior where the pressure exerted by the dense gases vastly exceeds the forces that magnetic ...
Contents
Viewing the Sun from Space | 7 |
8 | 169 |
Holes in the Corona and Winds from the | 197 |
Copyright | |
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active regions appears astronomers atoms bright cause Chapter chemical chromosphere convection zone core corona coronal holes coronal loops dark density distance Doppler shift Earth eclipse electrons elements emission lines emitted eruption field lines Figure Fraunhofer Fraunhofer lines fusion Galaxy gases geomagnetic granulation heat height helium hydrogen ionized kilometers Kitt Peak latitude layers light limb loops luminosity magnetic activity magnetic fields magnetic polarity Maunder Minimum measured million motions netic neutrinos nuclear observations occur orbit outward overlying particles pattern percent period photograph photosphere poles pressure produced prominence protons radiation radio rotation Sacramento Peak Sacramento Peak Observatory seen shown shows Skylab solar activity solar atmosphere solar core solar disk solar energy solar flares solar interior solar surface solar wind space spectral lines spectrograph speed spicules spots stars Sun's sunlight sunspot cycle sunspot numbers supergranulation surface temperature terrestrial tion ultraviolet velocity visible wavelength waves x-ray