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Category: Science

A fun take on the latest science news with enough data to sink your teeth into. Lagrange Point goes beyond the glossy summary and gets in depth with the research from across the world.

Episode 460 - What shape is the heliosphere

December 6, 2021

Just what is the heliosphere and how doe sit work? What shape is the heliosphere (spoiler alert, probably not a sphere). At the very edge of our solar system lies the boundary between our neighborhood and interstellar space. Do outside forces from interstellar space jumble up the heliosphere? Sandwiched between Space and the Earth, the Ionsphere buzzes and hums with a pulsing generator. Winds from earth can bend and shape plasma in our ionsphere to make a generator. Moving a conducting object through a magnetic field can generate electricty, and its happening right now 100km above our heads.

  1. M. Opher, J. F. Drake, G. Zank, E. Powell, W. Shelley, M. Kornbleuth, V. Florinski, V. Izmodenov, J. Giacalone, S. Fuselier, K. Dialynas, A. Loeb, J. Richardson. A Turbulent Heliosheath Driven by the Rayleigh–Taylor InstabilityThe Astrophysical Journal, 2021; 922 (2): 181 DOI: 10.3847/1538-4357/ac2d2e
  2. Thomas J. Immel, Brian J. Harding, Roderick A. Heelis, Astrid Maute, Jeffrey M. Forbes, Scott L. England, Stephen B. Mende, Christoph R. Englert, Russell A. Stoneback, Kenneth Marr, John M. Harlander, Jonathan J. Makela. Regulation of ionospheric plasma velocities by thermospheric windsNature Geoscience, 2021; DOI: 10.1038/s41561-021-00848-4