Festival of Lights
WISE, NASA's Wide-field Infrared Survey Explorer, has a new view of Barnard 3, or IRAS Ring G159.6-18.5, that is awash in bright green and red dust clouds. Interstellar clouds like these are stellar nurseries, where baby stars are being born.The green ring is made of tiny particles of warm dust whose composition is very similar to smog.
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https://www.nasa.gov/image-detail/festival-of-lights/
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