The Sun, Our Star |
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