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      On the interstellar Von Neumann micro self-reproducing probes

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          Abstract

          In this paper we consider efficiency of self-reproducing extraterrestrial Von-Neumann micro scale robots and analyse the observational characteristics. By examining the natural scenario of moving in the HII clouds, it has been found that the timescale of replication might be several years and even less - making the process of observation quite promising. We have shown that by encountering the interstellar protons the probes might be visible at least in the infrared energy band and the corresponding luminosities might reach enormous values.

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          A search of the IRAS database for evidence of Dyson Spheres

          M.Yu Timofeev, N.S Kardashev, V.G Promyslov (2000)
          Article 0 comments Cited 18 times – based on 0 reviews     Review now
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            On the search for artificial Dyson-like structures around pulsars

            Z. Osmanov (2016)
            Assuming the possibility of existence of a supercivilization we extend the idea of Freeman Dyson considering pulsars instead of stars. It is shown that instead of a spherical shell the supercivilization must use ring-like constructions. We have found that a size of the ‘ring’ should be of the order of (10 −4 –10 −1 ) AU with temperature interval (300–600) K for relatively slowly rotating pulsars and (10–350) AU with temperature interval (300–700) K for rapidly spinning neutron stars, respectively. Although for the latter the Dyson construction is unrealistically massive and cannot be considered seriously. Analyzing the stresses in terms of the radiation and wind flows it has been argued that they cannot significantly affect the ring construction. On the other hand, the ring in-plane unstable equilibrium can be restored by the energy which is small compared with the energy extracted from the star. This indicates that the search for infrared ring-like sources close to slowly rotating pulsars seems to be quite promising.
            Article 0 comments Cited 11 times – based on 0 reviews     Review now
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              Modelling the KIC8462852 light curves: compatibility of the dips and secular dimming with an exocomet interpretation

              M. Wyatt, T. Boyajian, G. M. Kennedy … (2018)
              Article 0 comments Cited 10 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Publication date Created: 11 September 2019
                Article
                ArXiV ID: 1909.05078
                SO-VID: e7002c7a-2e6d-40a7-9c8c-3c675166798c
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                http://arxiv.org/licenses/nonexclusive-distrib/1.0/

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                Comments 10 pages, 5 figures
                Categories physics.pop-ph

                ScienceOpen disciplines: General physics
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                ScienceOpen disciplines: General physics

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