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Αστρονομική φωτογραφία της ημέρας από τη NASA

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Date: Get NASA Photo of the Day

Aurora Dome Sky

It seemed like night, but part of the sky glowed purple. It was the now famous night of May 10, 2024, when people over much of the world reported beautiful aurora-filled skies. The featured image was captured this night during early morning hours from Arlington, Wisconsin, USA. The panorama is a composite of several 6-second exposures covering two thirds of the visible sky, with north in the center, and processed to heighten the colors and remove electrical wires. The photographer (in the foreground) reported that the aurora appeared to flow from a point overhead but illuminated the sky only toward the north. The aurora's energetic particles originated from CMEs ejected from our Sun over sunspot AR 6443 a few days before. This large active region rotated to the far side of the Sun last week, but may well survive to rotate back toward the Earth next week.