Pad * 73% 1:28 PM instructure-uploads,s3.amazonaws.com 114 Sun Size 3) To make a
ID: 118750 • Letter: P
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Pad * 73% 1:28 PM instructure-uploads,s3.amazonaws.com 114 Sun Size 3) To make a scale model of the Earth-Moon orbital system, you not only need to pick appropriately sized objects to represent Earth and the Moon, you also need to place them the correctly scaled distance apart. Let's say you use a 1-foot (12-inch) basketball and a 3-inch orange as your Earth and Moon, respectively. About how far apart must they be placed to represent an accurate scale model of the Earth-Moon orbital system? Circle your answer below.) Explain your reasoning a) 1 foot b) 4 feet c) 10 feet d) 30 feet e) 300 feet Compared to the size of Earth, the Sun (with a diameter 1,392,000 km) is about 110 times bigger than Earth (1,392,000/12,756 110) 4) Can any combinations of the following items be used to make an accurate scale model of Earth and the Sun? If so, which two would you choose and why? If not, why not? a) basketball b) soccer ball c) baseball (or softball) d) ping-pong ball e) pea f) grain of sand Now let's compare the Sun's diameter to the size of the Moon's orbit around Earth. The diameter of the Moon's orbit around Earth is about 769,000 km across. So, the ratio of the Sun's diameter to the Moon's orbital diameter is roughly 2 ( 1.392 , 000769,000 2) Earth oon 5) Does this mean that two Suns placed side-by- side would fit inside the Moon's orbit around Earth, or that two Moon orbits placed side-by- side would fit across the Sun? Draw a sketch below to llustrate your answer © 2013 Pearson Education, Inc. LECTURE-TUTORIALS FOR INTRODUCTORY ASTRONOMY THIRD EDITIONExplanation / Answer
3)
d) 30 feet.
The diameter of Earth is 12,000 km which is turned into 12 inches and diameter of Moon is 3,500 km which is turned into 3 inches. So the distance between Moon and Earth 385,000 km which is 385 inches i.e. 32 feet and approximately 30 feet.
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