Gravity Lab
bodies
0
t
0
energy
0
drag on empty space to launch a body · scroll to zoom · right-drag or two fingers to pan
Pause
Step
Clear
Preset
Inner solar system
Binary star with planet
Three-body figure-eight
Random cluster (200)
Disc galaxy (600)
Earth and Moon
Empty
G
1.00×
Speed
1.00×
New mass
1
trails
merge on collision
follow centre of mass
G slider is logarithmic (0.1× to 30×). Negative G makes gravity repel.
Space
play/pause ·
R
reload preset ·
C
clear