International Journal of Astrophysics and Space Science

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Volume 8, Issue 3, September 2020

  • Radiation Analysis for Moon and Mars Missions

    Andreas Märki

    Issue: Volume 8, Issue 3, September 2020
    Pages: 16-26
    Received: 11 October 2020
    Accepted: 28 October 2020
    Published: 4 November 2020
    DOI: 10.11648/j.ijass.20200803.11
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    Abstract: This paper provides an overview of the radiation aspects of manned space flight to Moon and Mars. The expected ionizing radiation dose for an astronaut is assessed along the Apollo 11 flight path to the Moon. With the two dose values, the expected and the measured total dose, the radiation shielding and the activity of the Sun are estimated. To jud... Show More
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  • Coupling of the Localized Wind Wall at High Latitudes to the Lower Thermosphere by Neutral Cells

    Vin Bhatnagar

    Issue: Volume 8, Issue 3, September 2020
    Pages: 27-31
    Received: 22 October 2020
    Accepted: 7 November 2020
    Published: 19 November 2020
    DOI: 10.11648/j.ijass.20200803.12
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    Abstract: The recently observed Wall in the daytime zonal winds in the thermosphere from O (1S) and O (1D) emissions by the WINDII instrument on the UARS satellite in the high latitudinal region during 1994 to 1996, has been interpreted in terms of NCAR-TIGCM models. The strong westward polar wind (convergence) and weaker eastward winds equator wards of it (... Show More
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