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Astronomy - AR 4478 : GIANT SUNSPOT GROUP
2026 June 28 AR 4478: Giant Sunspot Group Image Credit & Copyright: Alfredo Vidal Pérez Explanation: Right now, one of the largest suns...
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2026 January 1 Auroral Corona Image Credit & Copyright : Roi Levi Explanation: Cycle 25 solar maximum made 2025 a great year for ...
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2026 January 2 NanoSail-D2 Image Credit & Copyright : Ralf Vandebergh Explanation: In 2011, on January 20, NASA's NanoSail-D2 ...
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