Orion's Sword A region of sky below Orion's Belt that includes the Orion Nebula (plus the Trapezium stars within it), the diffuse nebula NGC 1977, the open cluster NGC 1981, and Iota Orionis. Related category • NEBULAE AND STAR CLUSTERS Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |