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Download OpenOffice-format spreadsheet (25 kbytes)
Download Excel-format spreadsheet (45 kbytes)
Your Age On Other Worlds
Your Weight On Other Worlds
The Exploratorium's "Observatory"
The Nine Planets
A Solar System Scale Model Meta Page.
Another downloadable spreadsheet from Planeten Paultje in the Netherlands.
A new geocaching model in California. Get out that GPS to find the planets!
New Jersey Astronomical Association Solar System Walk
And Yet Another Model In Maine!
Solar System Exploration from NASA-JPL
NSSDC Photo Gallery
JPL's Welcome to the Planets
A diagram of the solarsystem NOW! (In stereo if you want!)
Astronomy Picture of the Day
One of the most exciting excercises I ever did as a kid was to make a scale model of the Solar System. Most of the pictures in my books made the distance between planets seem small and easy to travel. Museums were no help either. 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. 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. It all started out well. Mercury was only about 3-1/2 feet from the sun and Earth was almost 9 feet from the Sun. What I didn't bargain for was that Pluto was 354 feet down the tape! I used up almost the entire roll. I also calculated the sizes that I should make the dots that represented the planets. I found that even the largest planet, Jupiter, should have a spot size smaller than 1/8 inch. The other planets, especially the small rocky inner planets, would be virtually invisible dust spots. Needless to say, this was an eye-opening experience. This one excercise taught me the real meaning of the word "space." It sure made me feel insignificant looking at the scale of the Solar System - never mind the rest of the universe! Now we have great tools like spreadsheets to do the numerical computations for us. Below you can download OpenOffice