Every star here is real, placed by measured parallax and moving along its true 3-D space velocity (Hipparcos / Gaia astrometry). Scrub time and the sky deforms exactly as the kinematics dictate — nearby stars race, distant ones barely stir, and approaching stars genuinely brighten by the inverse-square law.
Below ±100,000 yr the linear model is excellent. Beyond that the timeline turns amber: Galactic curvature is ignored and the figures are illustrative. Built from the HYG v4.1 catalogue + Stellarium constellation lines. No internet, no tracking — just physics in one file.