Planets
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Astrobiology
•the study of the origin, evolution, distribution, and future of life in the universe.
•Astrobiologists search the cosmos for habitable planets outside our solar system.
•They make use of many sciences: physics, chemistry, astronomy, biology, molecular biology, ecology, planetary science, geography, and geology to investigate the possibility of life on other worlds.
•They interpret scientific data to help them make this determination.
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Magnetosphere (magnetic field around the earth) - Protects us from solar winds and the sun's radiation.
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