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Video of a large sunspot with dark umbra, lighter penumbra, and surrounding granulated solar surface.

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  1. Wonder of Science (wonderofscience@mastodon.social)'s status on Tuesday, 30-Jan-2024 17:45:12 JST Wonder of Science Wonder of Science

    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

    In conversation about 10 months ago from mastodon.social permalink
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