Close-up footage of a sunspot described as Earth-sized
A science post says the close-up was filmed by the Swedish 1-m Solar Telescope and credits the footage to Luc Rouppe van der Voort / ISP.
TLDR
A science post shares footage it describes as an Earth-sized sunspot filmed by the Swedish 1-m Solar Telescope. It explains that sunspots are regions of reduced surface temperature caused by intense magnetic fields.
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