Solar Activity |
Contents
OBSERVATIONS OF SOLAR ACTIVITY | 70 |
THE QUIET | 103 |
THE SUN AS A VARIABLE STAR | 139 |
Copyright | |
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absorption coefficient acceleration active prominences active regions Alfvén assumed Astron atoms Balmer Balmer lines bursts chromosphere cm³ collisions component condensation consider convection corona corresponding diffusion disk effect electric field electromagnetic electron density emitted Equation equilibrium ergs faculae field strength Figure filament Fraunhofer lines frequency gauss given gradient granulation heat height helium hydrogen hydrostatic equilibrium intensity ionization ions Jefferies and Orrall km/sec layers limb lines of force magnetic energy magnetic field mechanism motions neutral observed optical depth oscillations parameter particles penumbra phenomenon photosphere Phys plages plasma plasma oscillations polar pressure propagation protons quiescent prominences radiation radiative radio ratio rays rotation scale height Section Severny shock solar atmosphere Solar Flares Solar Prominences source function spectra spectrum spicules spot Stark effect sun's sunspot surge temperature theory thermal turbulent umbra velocity vertical Waldmeier wavelengths X-ray