Abstract
Only a few years ago, our knowledge of the existence of planets outside the solar system rested primarily on theoretical investigations. But since 1995, this has changed rapidly, with the discovery of more than 90 planets by June 2002. Unfortunately, so far, all of these planets, which orbit around main sequence stars, are of the Jupiter type and cannot be seats of life. In addition, five planets were discovered around pulsars, but here again the conditions for life are unfavorable. Nevertheless, great advances in instrumentation are expected to eventually result in the detection of Earth-like terrestrial planets. But how are such planets to be found?
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© 2003 Springer-Verlag Berlin Heidelberg
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Ulmschneider, P. (2003). The Search for Extrasolar Planets. In: Intelligent Life in the Universe. Advances in Astrobiology and Biogeophysics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-43212-9_3
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DOI: https://doi.org/10.1007/978-3-662-43212-9_3
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