This interactive Neptune–Earth distance scale model shows Neptune (left) and Earth (right) at true relative size, and the range of their distance. Adjust Earth’s diameter in pixels; Neptune scales automatically.

DistanceToSun.com

Interactive scale models that let you explore real astronomical distances and object sizes.

Neptune
Earth

Neptune–Earth scale model

Adjust the Earth’s diameter (in pixels). The other body size and the distance update live using real ratios. Drag to pan, or scroll to move around.

Tip: Large Earth sizes make the bodies and distance enormous — use the jump buttons.

km miles
Sun–Earth Earth–Moon Earth–Mercury Earth–Venus Earth–Mars Earth–Pluto Jupiter–Earth Saturn–Earth Uranus–Earth Neptune–Earth About

Scale numbers
Safe Mode: For extreme distances when browsers break Off