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BIG SUNSPOT: Numbered AR2738 - Nerfd.net - RF News & Info
BIG SUNSPOT: A new sunspot is rotating over the sun’s eastern limb, and it’s a big one. Numbered AR2738 Over the past few days, our Solar Dynamics Observatory (SDO) spacecraft has been observing an active region on the Sun’s surface rotating into view. Learn more about our star at: https://t.co/SriuMGuQIA and see the latest images …