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Modern US cents are 3/4 of an inch wide, with an area of 0.442 square inches. The Sun is a sphere with a diameter of 865,000 miles, and a maximum cross-sectional area of about 587 billion square miles.

To equal the area of the Sun's visible face, you would need 5.38 x 10^21 pennies (5.38 billion trillion pennies) - this could create a penny-thick disk the same size as the Sun. If you had to overlap the pennies rather than melt them down, it would take at least 6.85 x 10^21 pennies.

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8y ago

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