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) - 20:17, 11 September 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...
98 KB (11,565 words) - 11:49, 2 November 2024
Juhan af Grann Harri Hakkarainen Pekka Halonen Teemu Hartikainen Jukka Hentunen Marko Hietala Kari Hietalahti Pekka Janhunen Olli Jokinen Jussi Jääskeläinen...
4 KB (399 words) - 18:36, 15 October 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...
38 KB (3,570 words) - 13:24, 18 October 2024
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 (908 words) - 17:13, 29 October 2024
end of the satellite’s mission. The inventor of the plasma brake is Pekka Janhunen, a researcher at the Finnish Meteorological Institute. This technology...
9 KB (965 words) - 16:32, 19 October 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 (466 words) - 15:06, 27 September 2024