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Horsehead Nebula
Backlit wisps along the Horsehead Nebula upper ridge are being illuminated by Sigma Orionis, a young five-star system just off the top of this image from the Hubble Space Telescope.

Image
Backlit wisps along the Horsehead Nebula upper ridge are being illuminated by Sigma Orionis, a young five-star system just off the top of this image from the Hubble Space Telescope.
