Abstract
In our solar system, comets are billions, possibly hundreds of billions. They make up a huge, unknown population of primaeval objects, which is collected in an outer zone which may extend up to a light year from the Sun.
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© 2012 Springer-Verlag Italia
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Bignami, G.F. (2012). Contact Astronomy: Comet Dust. In: We are the Martians. Springer, Milano. https://doi.org/10.1007/978-88-470-2466-3_6
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DOI: https://doi.org/10.1007/978-88-470-2466-3_6
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Publisher Name: Springer, Milano
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Online ISBN: 978-88-470-2466-3
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