I also calculated the sizes that I should make the dots that represented the planets.
What I didn't bargain for was that Pluto was 354 feet down the tape! I used up almost the entire roll. Mercury was only about 3-1/2 feet from the sun and Earth was almost 9 feet from the Sun. I made my first scale model on a roll of teletype paper tape (anyone remember that stuff?) On this 1-inch tape, my Sun was the size of the tape - 1 inch in diameter. The models they displayed usually had the sizes of the planets to scale, but the distances between them were a completly different scale, giving the impression of a rather close-knit family. Most of the pictures in my books made the distance between planets seem small and easy to travel. One of the most exciting excercises I ever did as a kid was to make a scale model of the Solar System. If you'd like to see the satellites of the planets as well, click here for a much more extensive page (and a longer download time too!) I've only given you the sizes and distances to the planets. You can click on the names of the planets and satellites to go the the Nine Planets web site page about them.You should check your toilet paper for length. A standard roll of toilet paper has about 450 sheets that are about 4.375 inches long, hence the roll is about 164 feet long. 4 inches (10 mm) across and still fit the entire solar system on the roll. If you build your solar system on a roll of toilet paper, you can make the Sun about.
To mark a planet's place you can use a piece of paper on a post that you stick into the ground, or you can use a flag, or even a person. You can do this with a long tape measure, or you can measure the size of your pace and walk it off counting the number of steps you take. I've also provided some other interesting scale comparisons at the bottom of the chart. Notice that the distances and sizes of the planets will automatically fill in.Use the Clear button to clear the entire form. If both are filled in you will get a dialog box asking you to clear one of the boxes. You can fill in either the red bordered inches box or the green bordered millimeters box. Fill in the diameter of the Sun you want your model to be scaled by.This Page requires a JavaScript capable browser. Make a scale model of the Solar System and learn the REAL definition of "space." Explore our online resources for learning at home.
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