• Thumbnail for Pekka Janhunen
    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
  • Thumbnail for Electric sail
    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
  • Thumbnail for Solar sail
    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
  • Thumbnail for Finnish Meteorological Institute
    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
  • Thumbnail for ESTCube-2
    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
  • Thumbnail for ESTCube-1
    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