Enigmatic Structures Spotted on the Sun in 1999 Finally Explained by Science
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What are supra-arcade downflows? Supra-arcade downflows (SAD) were first observed on the Sun in 1999 by the Yohkoh spacecraft. They…
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What are supra-arcade downflows? Supra-arcade downflows (SAD) were first observed on the Sun in 1999 by the Yohkoh spacecraft. They…