Reflection Nebula NGC 1999 in the Constellation Orion
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![Reflection Nebula NGC 1999 in the Constellation Orion](https://cdn.mos.cms.futurecdn.net/KHyYEibNkjGncbyEU3ZYpX-320-80.jpg)
Reflection nebulae do not emit light on their own. They shine because of a light source embedded within, like a street lamp illuminates fog. The bright, young star left of center gives NGC 1999 its brightness. The gas and dust of the nebula is left over from the star's formation.
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