If they need to, they should refer to how we scaled the Earth using elementary one cheerio a representative to Pluto 33387 we essentially do the same things but as representing the distance of The Sun to Mercury for object of their choice.
If they need to, they should refer back to how we scaled the Earth using one cheerio to represent Pluto. We are essentially doing the same thing but using the object of their choice to represent the distance from The Sun to Mercury.