Pekka Janhunen is a Finnish space physicist, astrobiologist, and inventor. He is a research manager at the Finnish Meteorological Institute's Space and...
6 KB (662 words) - 13:51, 8 January 2024
Janhunen is a Finnish surname. Notable people with the surname include: Juha Janhunen (born 1952), Finnish linguist Pekka Janhunen, Finnish space physicist...
384 bytes (79 words) - 21:12, 3 November 2023
protons and extracts their momentum. The idea was first conceptualised by Pekka Janhunen in 2006 at the Finnish Meteorological Institute. The electric sail consists...
17 KB (1,887 words) - 22:13, 20 May 2024
propulsion mechanism, which is claimed to have several advantages. Pekka Janhunen from FMI has proposed a type of solar sail called the electric solar...
96 KB (11,349 words) - 00:32, 7 August 2024
Juhan af Grann Harri Hakkarainen Pekka Halonen Teemu Hartikainen Jukka Hentunen Marko Hietala Kari Hietalahti Pekka Janhunen Olli Jokinen Jussi Jääskeläinen...
4 KB (401 words) - 13:49, 22 October 2023
2014-2015. The electric solar wind sail, invented 2006 by FMi scientist Pekka Janhunen, got the 2010 Finnish Quality Innovation Prize among Potential innovations...
9 KB (910 words) - 15:13, 10 January 2024
end of the satellite’s mission. The inventor of the plasma brake is Pekka Janhunen, a researcher at the Finnish Meteorological Institute. If the experiment...
9 KB (942 words) - 19:03, 7 July 2024
"sister-in-law", found as *kälü in both Proto-Finnic and Proto-Samoyedic. Janhunen (1981) and Sammallahti (1988) reconstruct here instead a word-final labial...
36 KB (3,403 words) - 19:17, 5 August 2024
solar wind sail (E-sail), which was invented by Finnish scientist, Pekka Janhunen. During the ESTCube-1 flight, 10 meters of 20–50 micrometer thick E-sail...
17 KB (1,523 words) - 15:18, 19 August 2024
Ikonen, Finnish ice hockey player Juha Isolehto, Finnish high jumper Juha Janhunen, Finnish linguist Juha Jokela, Finnish playwright and scriptwriter Juha...
4 KB (459 words) - 01:25, 4 June 2024