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This book addresses and reviews many of the still little understood questions related to the processes underlying planetary magnetic fields and their interaction with the solar wind. With focus on research carried out within the German Priority Program ”PlanetMag”, it also provides an overview of the most recent research in the field. Magnetic fields play an important role in making a planet habitable by protecting the environment from the solar wind. Without the geomagnetic field, for example, life on Earth as we know it would not be possible. And results from recent space missions to Mars and Venus strongly indicate that planetary magnetic fields play a vital role in preventing atmospheric erosion by the solar wind. However, very little is known about the underlying interaction between the solar wind and a planet’s magnetic field. The book takes a synergistic interdisciplinary approach that combines newly developed tools for data acquisition and analysis, computer simulations of planetary interiors and dynamos, models of solar wind interaction, measurement of ancient terrestrial rocks and meteorites, and laboratory investigations.
In 1984 Joseph Beuys assembled his monumental The End of the 20th Century in Haus der Kunst in Munich: 44 basalt blocks with conical sections drilled out of them, the resulting "stoppers" slotted back into place using a bed of felt and clay. He arranged the blocks to create an animated vibrant formation that charged the entire room with meaning. The relocation of the work to the new Munich Pinakothek der Moderne set an almost impossible challenge for conservators, not least owing to the fiery debate whether an aeuvre an artist had himself laid out could be touched in the first place. But in the end, they succeeded: a key late 20th-century artwork was given a new location and none of its suggestive powers had been forfeited in the process.
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