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Seismology is a highly effective tool for investigating the internal structure of the Earth. Similar techniques have also successfully been used to study other planetary bodies (planetary seismology), the Sun (helioseismology), and other stars (asteroseismology). Despite obvious differences between stars and planetary bodies, these disciplines share many similarities and together form a coherent field of scientific research. This unique book takes a transdisciplinary approach to seismology and seismic imaging, reviewing the most recent developments in these extraterrestrial contexts. With contributions from leading scientists, this timely volume systematically outlines the techniques used in observation, data processing, and modelling for asteroseismology, helioseismology, and planetary seismology, drawing comparisons with seismic methods used in geophysics. Important recent discoveries in each discipline are presented. With an emphasis on transcending the traditional boundaries of astronomy, solar, planetary and Earth sciences, this novel book is an invaluable resource and reference for undergraduates, postgraduates and academics.
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An extraterrestrial power has conquered the earth overnight. Sol, co-founder of an online magazine, is immediately convinced of the truth of the message, his wife Astrid is skeptical. After the first general panic, news trickles through: The aliens are meek; they shy away from any contact; they bring growth and peace. There's just a small catch - they are asking for human sacrifice on a voluntary basis. These volunteers are selected by games with enormous financial prizes for the winners. Sol's online magazine and talk show benefit from the events, but his young neighbor Elliot is now a candidate, and Sol and Astrid are put to the test. Erschreckend die Nachricht, die eines Morgens von sämtlichen Sendern gemeldet wird: Eine extraterrestrische Macht hat über Nacht die Erde erobert. Sol, Mitbegründer eines Online-Magazins, ist sofort von der Wahrheit der Meldung überzeugt, seine Frau Astrid ist skeptisch. Nach der ersten allgemeinen Panik sickern Neuigkeiten durch: Die Außerirdischen sind sanftmütig; sie meiden scheu jeden Kontakt; sie bringen Aufschwung und Frieden. Da ist nur ein kleiner Haken - sie bitten um Menschenopfer auf freiwilliger Basis. Überall werden Spiele ausgerichtet, um die Auserwählten zu bestimmen. Wer mitmacht, dem winken enorme finanzielle Vorteile. Sols Online-Magazin ist mit einer rasch etablierten Talkshow dicht dran an den Ereignissen. Als sich aber Sols junger Nachbar Elliot als Kandidat für die Spiele meldet, stellt das Sol und Astrid auf die Probe. Und die Fragen werden drängend: Wer ist mitschuldig, wer profitiert, wer begehrt auf? (Quelle: buchhandel.de).
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Is it possible that extraterrestrial life forms exist within our Galaxy, the Milky Way? This book offers a critical analysis by leading experts in a range of sciences, of the plausibility that other intelligent lifeforms do exist. Exploration of the Solar System, and observations with telescopes that probe deep space, have come up empty handed in searches for evidence of extraterrestrial life. Many experts in the fields of astronomy, biology, chemistry and physics are now arguing that the evidence points to the conclusion that technological civilisations are rare. After ten billion years, and among hundreds of billions of stars, we may well possess the most advanced brains in the Milky Way Galaxy. This second edition contains many new and updated aspects of extraterrestrial research, especially the biological viewpoint of the question.
Extraterrestrial beings --- Life --- Origin
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"An indispensable resource, this book provides wide coverage on aliens in fiction and popular culture"--
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