Experiments

Small tools that live under Physics Lab or Tracking Station for now.

Black hole visualizationEvent horizon and accretion disk you can drag to rotate.Orbit simulatorChange the semi-major axis and watch the orbital period update.Schwarzschild radius calculatorEvent horizon size from mass.Gravitational lensingEinstein radius for galaxy-scale lenses.ISS and solar trackingLive ISS position and solar weather from public feeds.Starfield parallaxBackground starfield with depth and pointer parallax.