For how do we know that the thoughts which occur in dreaming are false rather than those other which we experience when awake, since the former are often not less vivid and distinct than the latter?
Shedar (stars.astro.illinois.edu)SHEDAR (Alpha Cassiopiae). The southernmost star of Cassiopeia’s famed Chair, Shedar is also the brightest, though not by much and not all of the time.