Journal of Astrophysics and Astronomy

, Volume 36, Issue 3, pp 409–419 | Cite as

Nano-metric Dust Particles as a Hardly Detectable Component of the Interplanetary Dust Cloud



The present work introduces the hypothesis of existence of a hardly detectable component of the interplanetary dust cloud and demonstrates that such a component is a dust formation consisting of the dust particles of nano-metric dimensions. This work describes the main physical properties of such a kind of nano-dust, and its possible chemical and mineralogical peculiarities proposes new explanations related to reddening of the dynamically cold transneptunian objects on account of scattering their light by nano-dust of the hardly detectable component of the interplanetary dust cloud. We propose the relation for the coefficient of absorption by the nano-dust and provide results of the statistical analysis of the TNO color index–orbital inclinations. We also present a critical assessment of the proposed hypothesis.


Nano-dust particle interplanetary dust zodiacal light scattering transneptunian objects 



The authors would like to express their gratitude to the anonymous reviewer for valuable comments.


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Copyright information

© Indian Academy of Sciences 2015

Authors and Affiliations

  1. 1.Ilia State UniversityTbilisiGeorgia.
  2. 2.Shamakhy Astrophysical ObservatoryBakuAzerbaijan.
  3. 3.Qafqaz University, Khirdalan CityBaku, AbsheronAzerbaijan.

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