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2024-01-30 08:45:08

Wonder of Science on Nostr: Close-up view of a sunspot the size of Earth on the surface of the Sun filmed by the ...

Close-up view of a sunspot the size of Earth on the surface of the Sun filmed by the Swedish 1-m Solar Telescope. Sunspots are regions of reduced surface temperature caused by intense magnetic fields.

Video credit: Luc Rouppe van der Voort / ISP

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