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a.What is the order of magnitude difference between Earth’s distance from the Sun and the distance...

a.What is the order of magnitude difference between Earth’s distance from the Sun and the distance from the Sun to the center of the

Milky Way?

               

b.What is the order of magnitude difference between The distance from the Sun to the center of the Milky Way, and the distance from

the Milky Way to the Andromeda Galaxy?

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