... Credit Copyright: Brad Moore Explanation: First cataloged as a star, 30 Doradus is actually an immense star forming region in nearby galaxy The Large Magellanic Cloud . The region's spidery appearance is responsible for its popular name, the Tarantula Nebula , except that this tarantula is about 1,000 light-years across, and 180,000 light-years away in the southern constellation Dorado . ... Publications with keywords: star cluster - star formation - 30 Doradus - LMC . ... The Rosette Nebula . ...