2: Constellations and the Night Sky Last updated Sep 27, 2020 Save as PDF 1.6: The United States Naval Observatory’s Astronomical Applications 2.1: Introduction Page ID29677 Lumen LearningLumen Learning ( \newcommand{\kernel}{\mathrm{null}\,}\) 2.1: Introduction2.2: Origins2.3: Egyptians, Greeks, and Hebrews2.4: Orion and the Southern Celestial Hemisphere2.5: Native American Stories2.6: The Pleiades and The Big Dipper