Image Credit: NASA, JPL-Caltech, UCLA
Explanation: The Great Nebula in Orion is a 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 composite of four colors of
infrared light taken 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 eerie green 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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