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2 results

  • Chapter 6 - Technological Impacts of Space Storms

  • Mark Moldwin, University of Michigan, Ann Arbor
  • Book:
    An Introduction to Space Weather
    Published online:
    12 November 2022
    Print publication:
    01 December 2022, pp 99-122

  • Summary

    This chapter describes the impacts of space weather on technological systems including satellites, radio communication, and ground systems such as power grids. It provides an overview of different satellite orbits and the physics that determines their orbital periods and velocities. Impacts of space weather on orbital lifetime due to atmospheric drag are discussed as are the variety of radiation impacts on satellites through total ionizing dose (TID) and single-event effects (SEE). A variety of radio communication impacts on high-frequency (HF) systems and microwave systems used by global navigation systems (such as GPS) are described. Supplements introduce the field and approach of systems engineering to tackle large complex problems and projects.

  • 9 - Motion in the Field of a Black Hole

  • Seppo Mikkola, University of Turku, Finland
  • Book:
    Gravitational Few-Body Dynamics
    Published online:
    06 April 2020
    Print publication:
    16 April 2020, pp 211-220

  • Summary

    This chapter is essentially a partial copy of the manuscript for the paper Mikkola, Palmer, Hashida(2002). In fact the text is mostly from the manuscript for that paper. A method of high precision computation of the motion of a body in a potential witch is an expansion in terms ofspherical harmonics, is considered.