Autor: Sven Grahn

Ajutor

1 Ebooks de Sven Grahn

Sven Grahn & Gerhard Haerendel: Freja Mission
Freja is a joint Swedish and German satellite, launched on October 6, 1992 and orbiting at 600–1750 km, covering the lower part of the auroral acceleration region. It has been designed to provide hi …
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€114.12