Searching 'grand solar minimum' in Videos
17:41
yes
The Modern Grand Solar Minimum - Globebusters Mirror
5 years ago
6008 views
06:07
yes
GRAND SOLAR MINIMUM: The Sun is Going to Sleep (2015)
5 years ago
4985 views
06:35
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GRAND SOLAR MINIMUM - Why has the Sun gone to sleep? (BBC)
5 years ago
5212 views