https://www.usa.gov/government-works https://www.rawpixel.com/image/418636 Backlit wisps along the Horsehead Nebula's upper ridge are being illuminated by Sigma Orionis. Original from NASA. Digitally…

Backlit wisps along the Horsehead Nebula's upper ridge are being illuminated by Sigma Orionis. Original from NASA. Digitally enhanced by rawpixel.

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