The Sun is getting excited about Halloween. It could trigger a mild solar storm on Earth on October 29, 2022.
Three dark patches that form the 'eyes' and 'mouth' are coronal holes.
The open structures allow solar winds to escape into space at speeds of up to 1.8 million mph (2.9 million kph).
Earth will be on the receiving end of the strong solar wind streams this time because our atmosphere blocks the fierce bursts of radiation.
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