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Abstract: Probabilities of collisions of migrating small bodies and dust particlesproduced by these bodies with planets were studied. Various Jupiter-familycomets, Halley-type comets, long-period comets, trans-Neptunian objects, andasteroids were considered. The total probability of collisions of anyconsidered body or particle with all planets did not exceed 0.2. The amount ofwater delivered from outside of Jupiter-s orbit to the Earth during theformation of the giant planets could exceed the amount of water in Earth-soceans. The ratio of the mass of water delivered to a planet by Jupiter-familycomets or Halley-type comets to the mass of the planet can be greater for Mars,Venus, and Mercury, than that for Earth.



Author: S.I. Ipatov

Source: https://arxiv.org/



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