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12. Compare the luminosity of the Sun with that of Earth. Consider that the Radius of Sun is 109 times the radius of Earth, and the temperature of the Sun is 20 times the temperature of the Earth. 13. Compare the surface area of the Sun with the surface a

匿名用户 最后更新于 2021-12-01 19:32 地球与空间科学Earth and Space Science

can someone explain the two questions for me please and thankyou

12. Compare the luminosity of the Sun with that of Earth. Consider that the Radius of Sun is 109 times the radius of Earth, and the temperature of the Sun is 20 times the temperature of the Earth. 13. Compare the surface area of the Sun with the surface area of a planet. The radius of planet is 3 times smaller than the Sun.

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