Abstract
The comparative examination of the different regions of the “Solar Ecosphere” [1] allows the classification of the planets of the Solar System in three groups, as concerns the presence of life:
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1)
Biosphere improbable (Mercury, Moon, Pluto);
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2)
Possibility of formation of a biosphere (Giant planets);
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3)
Biosphere probable (Venus, Earth, Mars).
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References
H. Strughold, Ecological Aspects of Planetary Atmospheres. J. Aviat. Med. 23, 130 (1952).
S. L. Miller, Production of Amino Acids under Possible Primitive Earth Conditions. Science 117, 3046 (1953).
J. Dommanget, La Recherche de Systèmes Planétaires Inconnus. Ciel et Terre 9–10, 229 (1953).
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© 1958 Springer-Verlag Wien
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Bún, T.P., Pereira, F.A. (1958). “Biospheric Index”, a Contribution to the Problem of Determination of the Existence of Extra-Solar Planetary Biospheres. In: Hecht, F. (eds) VIIIth International Astronautical Congress Barcelona 1957 / VIII. Internationaler Astronautischer Kongress / VIIIe Congrès International D’Astronautique. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-39990-3_6
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DOI: https://doi.org/10.1007/978-3-662-39990-3_6
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