Sunspot 9393 covers an area of the sun equivalent to the combined surface area of 13 Earths. A sunspot is a magnetic disturbance of the photosphere. Like clouds in the Earth's atmosphere, they only have a limited lifetime. A spot is composed of a dark, central area called an umbra, and a filamentous peripheral area, the penumbra.

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Creative#:

TOP22308598

Source:

達志影像

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RM

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須由TPG 完整授權

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No

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No

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No

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