http://apod.nasa.gov/apod/astropix.html
Infrared Orion from WISE
This picture depicts a close-up view of the Orion Nebula seen through an infrared lens from the WISE observatory. The Orion Nebula is actually visible to the naked eye, but is incredibly small and unnoticeable unless you know exactly where and what to look for. It's located in the bottom star of Orion's belt, and appears to be a reddish yellow. The lighting effect seen in the picture is caused by dust filaments floating in space in front of the stars in the Trapezium system which give off the light. Apparently, this nebula will disperse in 10,000 years or so.
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