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A winter scene fit for a holiday greeting card. Above what appears to be a fantastical snowy mountainscape, is a brilliant blue sky packed with colorful lights. The golden mountainscape is in fact part of the nebula NGC 6357, as captured by NASA's James Webb Space Telescope. The green, red, and golden lights in the blue sky above are bursts of high-energy X-rays from active stars, detected by Chandra.

Chandra, Webb Catch Twinkling Lights

This stellar landscape is reminiscent of a winter vista in a view from NASA’s James Webb Space Telescope (red, green, and blue). Chandra data (red, green and blue) punctuate the scene with bursts of colored lights representing high-energy activity from the active stars.

Image Credit: Credit: X-ray: NASA/CXC/Penn State/G. Garmire; Infrared: NASA, ESA, CSA, and STScI; Image Processing: NASA/CXC/SAO/L. Frattare and NSA/ESA/CSA/STScI/A. Pagan

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TakenDecember 22, 2025
Image CreditCredit: X-ray: NASA/CXC/Penn State/G. Garmire; Infrared: NASA, ESA, CSA, and STScI; Image Processing: NASA/CXC/SAO/L. Frattare and NSA/ESA/CSA/STScI/A. Pagan
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