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Scale Size of Planets 1,000 miles = 1 mm Actual diameter miles divided by 1000 = scale diameter Planet Actual Diameter Scale Diameter Do not draw on paper Sun 864,000 miles Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto Earth’s Moon Betelgeuse (star) 3,026 miles 7,504 miles 7,918 miles 4,216 miles 86,000 miles 72,000 miles 33,000 miles 31,000 miles 2,000 miles 2,160 miles 691,200,000 miles 3,026/1000 = 3 mm 8,000/1000 = 8,000/1000 = 4,000/1000 = 86,000/1000 = 72,000/1000 = 33,000/10000 = 31,000/1000 = 2,000/1000 = 2,000/1000 = (do not draw on paper) 691,200 mm = 691 meters Use a ruler to measure the diameter of each object then draw a circle around the diameter to show the scale size of the planet. Color the planet to look like the planet Add at least one fact about the planet. 1. Which planet is approximately the same size as Earth? _______________________ 2. Using the actual diameter, list the planets in order from BIGGEST to smallest. 3. If the Earth was the size of a baseball, what other objects could we use to represent the other planets so that we create an accurate scale of the solar system? Mercury - _________________________ Venus - _________________________ Earth - Mars - ________________________ baseball Jupiter - ____________________________ Saturn - _________________________ Uranus - ________________________ Neptune - _____________________ Pluto - ____________________________ Distances in the Solar System 1,000,000 miles = 1 mm distance divided by 1,000,000 = scale distance miles Planet Distance from sun Mercury Venus Earth Mars Asteroids Jupiter Saturn Uranus Neptune Pluto 36,000,000 miles 67,000,000 miles 93,000,000 miles 141,000,000 miles 257,000,000 miles 483,000,000 miles 887,000,000 miles 1,780,000,000 miles 2,780,000,000 miles 3,670,000,000 miles Scale distance from sun 1. Draw a smaller version of the scale distance model. 2. Between which two planets is the biggest increase in distance? 3. What do you think the sun looks like if you are standing on Pluto? 4. Describe the distances between the first four planets. 5. Describe the distances between Jupiter, Saturn, Uranus, Neptune, and Pluto.
