Sfera (satellite series)

For other uses, see Sfera.
Not to be confused with Sfera (satellite).
Russian postal card (2016) celebrating 50 year anniversary of Sfera

Sfera (meaning sphere, Russian: Сфера) was a series of Soviet geodetic satellites.[1][2]

  1. ^ Krebs, Gunter Dirk (2017-12-11). "Sfera (11F621)". Gunter's Space Page. Retrieved 2019-03-13.
  2. ^ Wade, Mark. "Sfera". Encyclopedia Astronautica. Archived from the original on December 28, 2016. Retrieved 2019-03-13.