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Dave Doctor from Las Cruces, New Mexico The emission nebula Sharpless 2–284 lies roughly 15,000 light-years away in Monoceros, where hot young stars are carving a cavity in the surrounding gas and sculpting dense pillars of dust. The bright emission in the region is also cataloged as LBN 985/6/7. The imager collected 23 hours 35Continue reading "A cosmic bubble"