M42 (Orion’s Nebula) above, with Nair al Saif the blue giant and NGC 1980, below. Nair al Saif (Iota Orionis) Iota Orionis is the brightest star in Orion's sword, of magnitude 2.77, at the tip of the sword. It has the traditional name نير السيف , which means simply "the Point-Brilliance of the Sword" in …
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