Wikipedia contributors. (2025, February 19). Paul Dirac. In Wikipedia, The Free Encyclopedia. Retrieved 18:10, February 23, 2025, from https://en.wikipedia.org/w/index.php?title=Paul_Dirac&oldid=1276469151
Polaris (stars.astro.illinois.edu) POLARIS (Alpha Ursae Minoris). Not seasonal, always there in the northern nighttime sky, Polaris, the North Star, marks the North Celestial Pole.