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…
solar flares
Solar Storm Could Create Chaos on Earth—10 Things You Should Know
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Ground-based and space telescopes recorded possibly the largest surge in solar activity in recent years – within two days, the…