#SOLAR: The unexpected surging sunspots. Bob Zimmerman BehindtheBlack.com
The John Batchelor Show - Podcast tekijän mukaan John Batchelor - Sunnuntaisin
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#SOLAR: The unexpected surging sunspots. Bob Zimmerman BehindtheBlack.com 1939
The John Batchelor Show - Podcast tekijän mukaan John Batchelor - Sunnuntaisin
#SOLAR: The unexpected surging sunspots. Bob Zimmerman BehindtheBlack.com 1939