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Located only 1,500 light-years away, the Orion Nebula is the brightest diffuse nebula is the sky. This image shows clearly the 3-D structure of this star formation region: a large cavity, created by the radiation pressure from new-born stars located in the brightest area of the image, lies within a huge cloud of dust and gas. Identified as a truly indepedent star cluster, NGC 1980 is associated with this well-studied star formation region, around the brightest star seen at the bottom of this image, Iota Ori. The disks around the star are the result of internal light reflection in the camera optics. // Credit: CFHT/Coelum (J. C. Cuillandre & G. Anselmi)