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International contributors from Cuba to Kazakhstan and most parts in between provide essays on topics such as solar filaments and their eruptions, the time-distance helioseismology of sunspots, some peculiarities of research into multi-scale ionospheric irregularities by radio methods, solar type IV bursts at frequencies 10-30 MHZ, and a numerical study of formation and propagation of giant electric jets between a thundercloud and the lower ionosphere. On board SOHO is the highly sophisticated Michelson Doppler Imager (MDI), an electronic instrument that creates images of the sun's interior by measuring the velocity of sound waves produced by hot, bubbling gases that well up to the surface--a technique called acoustic helioseismology. General topics include helioseismology and abundances, star formation from cores to disks, characteristics of brown dwarfs, solar and stellar magnetic fields, stellar evolutionary models, extrasolar planets, and stellar winds and spins. |
Helioseismology |
Heliopora heliopsis Helioptrope Helioptrope Helioptrope Heliornis Heliornis fulica Heliornithes Heliornithidae Heliornithidae Helios Helios Helios Hêlios Hêlios Helios & Matheson North America, Inc. Helios Hotels & Resorts Helios Panoptes Helios Panoptes Helios, the sun Helios, the sun helioscene Helioscope Helioscope Heliose Heliose Helioseismic Helioseismic Helioseismic and Magnetic Imager Helioseismic and Vector Magnetic Imager Helioseismology heliosphereheliosphere heliospheric heliospheric Heliospheric Imager heliostat heliostat heliostats heliostats heliosupine heliotactic heliotactic heliotaxis heliotaxis heliotherapies heliotherapies heliotherapies heliotherapy heliotherapy heliotherapy Heliothis heliothis moth Heliothis virescens Juvenile Hormone Esterases Heliothis zia heliotrine heliotrope heliotrope heliotrope Heliotrope (disambiguation) Heliotrope (disambiguation) | |||||
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