1. Instruments for a Revolution -- 2. Discovering Space -- 3. Exploring Unseen Depths of the Sun -- 4. Solving the Sun's Heating Problem -- 5. Winds Across the Void -- 6. Our Violent Sun -- 7. The Sun-Earth Connection -- A. SOHO Principal Investigators and Their Institutions -- B. Ulysses Principal Investigators and Their Institutions -- Internet Addresses -- I. Fundamental Data -- II. Information About SOHO, Ulysses and Yohkoh -- III. Information About Other Solar Missions -- IV. Information About NASA's Sun-Earth Connection -- V. Information About Helioseismology -- VI. Other Solar Topics -- VII. Information About Cosmic and Heliospheric Physics -- VIII. Information About Solar Activity and Space Weather -- References -- Author Index.
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Our familiar, but often inscrutable, star exhibits a variety of enigmatic phe nomena that have continued to defy explanation. Our book begins with abrief account of these unsolved mysteries. Scientists could not, for example, under stand how the Sun's intense magnetism is concentrated into dark sunspots that are as large as the Earth and thousands of times more magnetic. Nor did they know exact1y how the magnetic fields are generated within the Sun, for no one could look inside it. Another long-standing mystery is the million-degree solar atmosphere, or corona, that lies just above the cooler, visible solar disk, or photosphere. Reat should not emanate from a cold object to a hotter one anymore than water should flow up hill. Researchers have hunted for the elusive coronal heating mechanism for more than half a century. The Sun's hot and stormy atmosphere is continuously expanding in all di rections, creating a relentless solar wind that seems to blow forever. The exact sources of aB the wind's components, and the mechanisms of its acceleration to supersonic velocities, also remained perplexing problems. The relatively calm solar atmosphere can be violently disrupted by power ful explosions, filling the solar system with radio waves, X-rays, and gamma rays, and hurling charged particles out into space at nearly the speed of light.
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شماره استاندارد بين المللي کتاب و موسيقي
9783662042823
قطعه
عنوان
Springer eBooks
موضوع (اسم عام یاعبارت اسمی عام)
موضوع مستند نشده
Astrophysics.
موضوع مستند نشده
Physical geography.
موضوع مستند نشده
Physics.
نام شخص به منزله سر شناسه - (مسئولیت معنوی درجه اول )