The Great Nebula in Orion is an
intriguing place. Visible to the unaided eye, it appears as a small fuzzy patch
in the constellation of Orion. But this image, an illusory-color four-panel
mosaic taken in different bands of infrared light with the Earth orbiting WISE
observatory, shows the Orion Nebula to be a bustling neighborhood or recently
formed stars, hot gas, and dark dust. The power behind much of the Orion Nebula
(M42) is the stars of the Trapezium star cluster, seen near the center of the
above wide field image. The orange glow surrounding the bright stars pictured
here is their own starlight reflected by intricate dust filaments that cover
much of the region. The current Orion Nebula cloud complex, which includes the
Horsehead Nebula, will slowly disperse over the next 100,000 years
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