The star-forming region known as NGC 7129 appears shaped like aValentine's Day rosebud in this image from the Spitzer Space Telescope. Therosy pink hue is produced by glowing dust grains, while hot carbon monoxidemolecules provide the green glow of the "stem." Our own Sun probably formedin a star cluster like this one.Credit:NASA/JPL-Caltech/T. Megeath (Harvard-Smithsonian CfA) JPEG (73K)

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