When to Use Planet Size Comparison 3D Explorer - Best Sessions and Limits
The Planet Size Comparison 3D Explorer fits classroom scale lessons, short curiosity breaks, and planetary literacy with scale-accurate sphere radii from Sun through Neptune. It is an educational size comparison - not an orbital model - so a few session types need another tool.
A five-minute classroom demo
A five-minute classroom demo is the ideal session: open Planet Size Comparison 3D Explorer, highlight Jupiter at 69,911 km, then Earth at 6,371 km while the class sees the sphere size jump. Pause spin for a still frame - faster than a flat poster alone.
Scale-accurate radii in one row
Planet Size Comparison 3D Explorer suits teaching why the Sun dominates the lineup at 696,340 km while Mercury is only 2,440 km. Students click each world button, read the panel table, and connect sphere size to published NASA mean radii without orbital distraction.
Sessions it does not fit
These sessions do not fit Planet Size Comparison 3D Explorer: any time you need heliocentric distances, orbiting planets, or Moon phase geometry. The scene does not show orbital motion, does not place worlds at real AU spacing, and does not compare mass. For orbiting planets with compressed sizes, use Solar System 3D Explorer. For Sun-Earth-Moon phases, use Moon Phases 3D Explorer. It also needs WebGL in the browser.