Interactive general relativity
& cosmology demos
A growing set of hands-on visualizations for ASTR 3900/8090, built lecture by lecture across the semester. Each opens full-screen; drag, tune, and play with the physics live. Pick one below or use the bar to switch.
Built by Stephen R. Taylor (Vanderbilt) for ASTR 3900/8090, General Relativity & Cosmology ·
runs entirely in your browser — no install, no account, no internet needed. Best on a laptop with a
trackpad or mouse. In a demo, Esc brings you back here.