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Radio technology enables the extension of astronomical observations beyond light to other frequency ranges. This led to the discovery of numerous cosmic radio sources, the physical causes of which are explained, as is the operation of a radio telescope. Even small radio telescopes can observe radiation from the Sun and other radio sources, as well as 21-cm radiation from the Milky Way. Through interferometry, a much higher resolution can be achieved than with individual radio telescopes. As a result, radio astronomical research can contribute to many current questions in astronomy, cosmology, and physics. This Springer essential is a translation of the original German 1st edition essentials, Radioastronomie by Thomas Lauterbach, published by Springer Fachmedien Wiesbaden GmbH, part of Springer Nature in 2020. The translation was done with the help of artificial intelligence (machine translation by the service DeepL.com). A subsequent human revision was done primarily in terms of content, so that the book will read stylistically differently from a conventional translation. Springer Nature works continuously to further the development of tools for the production of books and on the related technologies to support the authors. The Contents Brief outline of the history of radio astronomy and its discoveries. Electromagnetic waves Cosmic radio radiation How a radio telescope works Typical observations with a small radio telescope Interferometry, current research topics in radio astronomy and own entry into radio astronomy The Target Group Anyone who is looking for a compact introduction to radio astronomy, whether at universities, schools, observatories, or out of personal interest. The Author Thomas Lauterbach is professor of physics at the Nuremberg Institute of Technology (Technische Hochschule Nürnberg Georg Simon Ohm) and head of the radio astronomy special interest group of the Astronomical Society in the European Metropolitan Region Nuremberg.

Space research --- Astrophysics --- Astronomy --- astrofysica --- ruimte (astronomie) --- astronomie --- Astrophysics. --- Physics --- Astronomy, Observations and Techniques. --- History of Physics and Astronomy. --- Observations. --- History.

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Karl R. Popper is widely regarded as one of the most influential 20th century philosophers. In this new biography, Weinert provides a comprehensive and accessible account of his life and work, also addressing Popper’s role as a public intellectual. Drawing on a wide range of sources and interviews with former colleagues and collaborators, he recounts not only the wide interest from the scientific community, but also the inspiration that politicians took from Popper’s work. The book surveys the vast and varied intellectual landscape of Popper's philosophical journey during his long career: from the natural and social sciences (physics, evolution, sociology to political philosophy and the philosophy of mind. It pays significant attention to Popper’s critical method - i.e., the notion that ideas and institutions should be exposed to rigorous tests – the approach that led him to a fervent defence of objectivity, rationality and realism, against all forms of irrationalism, as well as a passionate advocacy of freedom, social justice and liberal democracy, against all forms of authoritarianism. The book brings Popper into focus as a modern Enlightenment philosopher.

Political philosophy. Social philosophy --- Philosophy of science --- Sociology --- Politics --- sociologie --- politiek --- politieke filosofie --- wetenschapsfilosofie --- Science—Philosophy. --- Political science. --- Sociology—Methodology. --- Physics—Philosophy. --- Political science—Philosophy. --- Philosophy of Science. --- Political Science. --- Sociological Methods. --- Philosophical Foundations of Physics and Astronomy. --- Political Philosophy.

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This book tells the comprehensive history of cosmography from the 15th Century Age of Discovery onward. During this time, cosmography—a science that combined geography and astronomy to inform us about our place in the universe—was deeply tied to ongoing developments in politics, exploration, culture, and technology. The book offers in-depth historical context over nearly four centuries, focusing in particular on the often neglected role that Portugal and Spain played in the development of cosmography. It details the great activity emerging from the Iberian and Italic peninsulas, including numerous voyagers of exploration, a clear commercial intention, and advancements in map-making techniques. In doing so, it provides a unique perspective on the “Longitude problem” not available in most other literature on the topic. Rigorously researched and sweeping in scope, this book will serve as an invaluable source for historians and readers interested in the history of science, of astronomy, and of exploration from a southern European perspective.

Pure sciences. Natural sciences (general) --- Space research --- Astronomy --- History of Europe --- wetenschapsgeschiedenis --- Europese geschiedenis --- ruimte (astronomie) --- astronomie --- Europe --- Physics—History. --- Astronomy—Observations. --- Science—History. --- Europe—History. --- History of Physics and Astronomy. --- Astronomy, Observations and Techniques. --- History of Science. --- European History. --- Science