Number 4 in the Top 5 Solar Discoveries: The Seasons of the Sun. This talks about the discovery and importance of the 11-year solar cycle.
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NASA ID
GSFC_20090318_SED_m10411_Top_5_No_4
Date Created
March 18, 2009
Center
GSFC
Media Type
video
Photographer
Ryan Fitzgibbons
Location
Goddard Space Flight Center
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