#SOLAR: The unexpected surging sunspots. Bob Zimmerman BehindtheBlack.com
The John Batchelor Show - Podcast autorstwa John Batchelor - Poniedziałki
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#SOLAR: The unexpected surging sunspots. Bob Zimmerman BehindtheBlack.com 1939
The John Batchelor Show - Podcast autorstwa John Batchelor - Poniedziałki
#SOLAR: The unexpected surging sunspots. Bob Zimmerman BehindtheBlack.com 1939