Far Out Photography: Nebula NGC 6357

This is my first image that I’ve processed from the Spitzer Space Telescope. This telescope is an infrared telescope launched in 2003. This image is of NGC 6357, a diffuse Nebula that can be seen in the constellation Scorpius. NGC 6357 is known as a HII region, which is a region where hot young stars strip electrons from neutral surrounding gas forming clouds of ionized hydrogen, thus H two. I processed this image from 4 wavelengths in the Infrared spectrum. Since it’s all Infrared and not visible to the naked eye, I had to guess on the colors to make each of the 4 layers to make a pleasing looking image. Image credit NASA/JPL-Caltech.

View the full-resolution photo here!

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