Relativistic Geodesic & Gravitational Lensing Simulator

General Relativity 2D
Black Hole Mass (M): 1000 M☉
Schwarzschild Radius (Rs): 60 px
Photon Sphere (1.5 Rs): 90 px
Active Particle Mode: Light Ray (Photon)
Controls:
Mode:
Relativistic Presets
Gravitational Lensing Deflection
Observe light ray trajectories bending around the Schwarzschild horizon.
Mercury Perihelion Precession
Observe non-Keplerian orbital rosette precession due to General Relativity.
Photon Sphere & Horizon Capture
Test trajectories at the unstable 1.5 Rs photon orbit threshold.
Physical Parameters
Black Hole Mass (M) 1000
Launch Speed (v / c) 1.00
Trajectory Aiming Angle 0°
Display Metric Space Grid
Show Potential Well (2D Warp)
Geodesic Diagnostics
Closest Distance
-- r/Rs
Deflection Angle
-- °
Precession Rate
-- °/orbit
Trajectory State
Active
Light rays passing near a massive central body bend according to Einstein's field equations. Einstein predicted exact light deflection angle Δϕ ≈ 4GM/(c²b) for impact parameter b.
Super generates helpful tools and automates fact-checking across the internet proactively. If you enjoyed this tool, build your own with Super and share it with a friend.