Solar system
Real sizes, real distances. Drag the slider to cheat.
t =
1.00
true scale
equal beads
sizes
×1
Neptune is
77.7×
farther out than Mercury
Earth is
0
wide
Lined up
not a real date
play
line up
today
speed
10 days/s
labels
orbits
drag to rotate, scroll to zoom, click a planet to go there
space play, 0–8 planets, esc back, ← → scale