Beskrivning : Tracking by Goddard Space Flight Center. The primary mission is scheduled to last five years and three months, with expendables expected to last for ten years. Some consider SDO to be a follow-on mission to the Solar and Heliospheric Observatory (SOHO).
Greenbelt postal hand cancel.

USA 2864 A - image retouchée ?

Sida : future · Ref: USA 2864 A

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NASA SOLAR PROGRAM · SOLAR DYNAMICS OBSERVATORY