No Login Data Private Local Save

Solar System Scale Model - Online Visual Comparison

7
0
0
0
Drag to adjust how far planets appear.
Increase to make planets visible.
Scroll horizontally to explore the solar system
Sun diameter: -- px
Earth diameter: -- px
Earth–Sun distance: -- px
Neptune–Sun distance: -- px

Frequently Asked Questions

The model uses real astronomical data from NASA for diameters and orbital distances. However, in reality it is impossible to show both planet sizes and distances accurately on a single screen. Use the Real Scale preset to see the actual proportions - you'll notice planets become tiny dots at huge distances. The size multiplier compensates for this so you can visually explore the solar system layout.

In a true scale model, planets are extremely small compared to the distances between them. For example, if the Sun were the size of a grapefruit (14 cm), Earth would be 15 meters away and only 1.3 mm in diameter. This tool reflects that reality - the Real Scale preset keeps sizes proportional to distances, so planets appear as tiny dots or not at all. Adjust the Size Multiplier to make them visible.

Distance Scale (km/px) determines how many kilometers are represented by one pixel. Lower values increase the spacing between planets. Size Multiplier artificially enlarges the planets relative to the chosen distance scale so you can see them clearly. Together they let you balance distance realism and visual clarity.

Yes, Pluto is displayed as a dwarf planet at its average orbital distance. You can clearly see how far it lies beyond Neptune. The size and position are based on real data.

Absolutely! Teachers often use scale models to help students grasp the vastness of our solar system. The Compact preset provides a good overview for classroom discussions, while the Real Scale mode demonstrates why true-to-scale models are so challenging to build.

  • Sun – Diameter: 1,392,700 km
  • Mercury – Dia: 4,879 km, Orbit: 57,909,000 km
  • Venus – Dia: 12,104 km, Orbit: 108,200,000 km
  • Earth – Dia: 12,742 km, Orbit: 149,600,000 km
  • Mars – Dia: 6,779 km, Orbit: 227,940,000 km
  • Jupiter – Dia: 139,820 km, Orbit: 778,330,000 km
  • Saturn – Dia: 116,460 km, Orbit: 1,429,400,000 km
  • Uranus – Dia: 50,724 km, Orbit: 2,870,990,000 km
  • Neptune – Dia: 49,244 km, Orbit: 4,504,300,000 km
  • Pluto – Dia: 2,376 km, Orbit: 5,906,380,000 km