The Planeterrella, a pedagogic experiment in planetology and plasma physics

Details The Planeterrella, a pedagogic experiment in planetology and plasma physics The Planeterrella, a pedagogic experiment in planetology and plasma physics

Mar 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009acgeo..57..220l&link_type=abstract

Acta Geophysica, Volume 57, Issue 1, pp.220-235

Physics

Plasma Physics

Aurora, Planetary Ionospheres, Plasma, The Planeterrella Experiment

Scientific paper

We present here a plasma physics experiment which makes it possible to simulate, in a naive yet useful way, the formation of polar lights. It involves shooting electrons at a magnetized sphere placed in a vacuum chamber. This experiment, inspired by K. Birkeland’s Terrella, built at the turn of 19th century, allows the visualization of very many geophysical and astrophysical situations. Although delicate, it is feasible at undergraduate level.

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