Pekka Janhunen homepage

Space plasma physicist and inventor, Research Manager at Finnish Meteorological Institute.
Also senior advisor of Aurora Propulsion Technologies Oy and guest professor at University of Tartu, Estonia.

Ceres megasatellite settlement idea (2021-)

Steam balloon concept for lifting payloads to stratosphere at low cost (2019-)

Coulomb drag propulsion - electric solar wind sail and plasma brake (2006-)

List of scientific publications

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Old stuff:

Tela (a public-domain scientific software)

STARE radar: operations stopped in May 2005, data remain

GUMICS-3 global MHD simulation, not recently updated

New information about aurora in Finnish, from 2000