Episode 646: Open Space 72: Electric Sails with Dr. Pekka Janhunen

Dr. Pekka Janhunen is a researcher with the Finnish Meteorological Institute and the inventor of the Electric Solar Wind Sail concept, using the solar wind as a propulsion system for spacecraft.

These could allow spacecraft to explore many regions of the Solar System without any onboard propellant at all.

More information about Dr. Janhunen:

https://space.fmi.fi/~pjanhune/

Learn more about the concept in this video:

https://www.youtube.com/watch?v=-pIl_cv3OkA

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