2.3.1 spase://CNES/Observatory/CDPP-AMDA/Helios Helios 2018-10-01T20:05:54Z Helios-A and Helios-B (also known as Helios 1 and Helios 2) are a pair of probes launched into heliocentric orbit for the purpose of studying solar processes. A joint venture of West Germany's space agency DFVLR (70 percent share) and NASA (30 percent), the probes were launched from Cape Canaveral Air Force Station, Florida, on December 10, 1974, and January 15, 1976, respectively. Heliosphere