3D explorer

Planet Size Comparison 3D

Planet radius · scale · volume · relative size

Learning outcomeCompare planetary radii and volumes using a common visual scale.

Interactive 3D model

Planet AEarthPlanet BJupiter

Radius A6,371 km

Radius B69,911 km

Volume ratio B:A1321.3×

Learning focus

Compare radius, diameter, and volume instead of judging size from separate planet images.

volume ∝ radius³