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Tag: green aurora in Finland (1 results)
09-15-2020 - Today NOAA and NASA Announced Solar Cycle 25 Has Begun; Sunspots Will Increase to 2025 Maximum.
Tag: green aurora in Finland (1 results)
09-15-2020 - Today NOAA and NASA Announced Solar Cycle 25 Has Begun; Sunspots Will Increase to 2025 Maximum.