To create an accurate scale model of the planets in the solar system, you would need to consider the actual sizes of the planets relative to each other.
The diameter of Mercury is about 4,880 kilometers (3,032 miles), while Jupiter has a diameter of about 139,820 kilometers (86,881 miles). This means that Jupiter is roughly 28.5 times larger in diameter than Mercury.
When creating a scale model, if you choose a specific scale (for example, 1:1 billion), you would apply that same scale to both planets. For instance, if you represent Mercury as 1 centimeter in your model, then Jupiter would be represented as approximately 28.5 centimeters.
In summary, in a scale model, Jupiter should be significantly larger than Mercury to accurately reflect their size difference: specifically, about 28.5 times larger in diameter.