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Habitability and Cosmic Catastrophes / edited by Arnold Hanslmeier.

Por: Colaborador(es): Tipo de material: TextoTextoSeries Advances in Astrobiology and BiogeophysicsEditor: Berlin, Heidelberg : Springer Berlin Heidelberg, 2009Descripción: recurso en líneaTipo de contenido:
  • texto
Tipo de medio:
  • computadora
Tipo de portador:
  • recurso en línea
ISBN:
  • 9783540769453
Formatos físicos adicionales: Edición impresa:: Sin títuloClasificación LoC:
  • QH327-328
Recursos en línea:
Contenidos:
Habitable zones -- Properties and Environments of Life -- Stars and Galaxies -- Planetary Systems -- Catastrophes in Our Solar System? -- Catastrophes in Extrasolar Planetary Systems? -- The Solar Neighborhood -- The Search for Extraterrestrial Life.
Resumen: The solar system has a rather well-known history. Looking at the present situation, one might get the impression that it was a rather stable and well-defined system: the orbits of the planets appear to be stable, climate and atmospheres on the planets have been determined, the risk of collision with other bodies (comets, asteroids, meteorites) seems to be small. However it is known today that the evolution of life on Earth was neither a steady progression nor uniform. There were several periods of mass extinction. These catastrophic events played a crucial role in the rise of new species. Events of astrophysical origin include: • Asteroid impacts • Major solar variabilty (space weather) • Nearby supernovae • The passage of the solar system through dense interstellar clouds Catastrophic cosmic events of this type appear in the range of some 100 million years. The author discusses whether and how such events could have occurred in the solar system as well as in recently found extrasolar planetary systems. In this text, which addresses readers in the field of Astrophysics and Astrobiology but also Geophysics and Biology these cosmic catastrophic events are described at an intermediate student's level.
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Habitable zones -- Properties and Environments of Life -- Stars and Galaxies -- Planetary Systems -- Catastrophes in Our Solar System? -- Catastrophes in Extrasolar Planetary Systems? -- The Solar Neighborhood -- The Search for Extraterrestrial Life.

The solar system has a rather well-known history. Looking at the present situation, one might get the impression that it was a rather stable and well-defined system: the orbits of the planets appear to be stable, climate and atmospheres on the planets have been determined, the risk of collision with other bodies (comets, asteroids, meteorites) seems to be small. However it is known today that the evolution of life on Earth was neither a steady progression nor uniform. There were several periods of mass extinction. These catastrophic events played a crucial role in the rise of new species. Events of astrophysical origin include: • Asteroid impacts • Major solar variabilty (space weather) • Nearby supernovae • The passage of the solar system through dense interstellar clouds Catastrophic cosmic events of this type appear in the range of some 100 million years. The author discusses whether and how such events could have occurred in the solar system as well as in recently found extrasolar planetary systems. In this text, which addresses readers in the field of Astrophysics and Astrobiology but also Geophysics and Biology these cosmic catastrophic events are described at an intermediate student's level.

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