An astronomer on a planet orbiting the star Deneb wants to differentiate the reflected light by Earth from the light of the Sun. First, consider the area of Earth's disk which reflects the Sun's intercepted light. Second, consider the surface area of a sphere with the same radius as Earth’s orbit around the Sun. Take the ratio of these two areas. Assume the Earth's radius is 6200.0 km and is 1.5 × 108 km from the Sun.
An astronomer on a planet orbiting the star Deneb wants to differentiate the reflected light by Earth from the light of the Sun. First, consider the area of Earth's disk which reflects the Sun's intercepted light. Second, consider the surface area of a sphere with the same radius as Earth’s orbit around the Sun. Take the ratio of these two areas. Assume the Earth's radius is 6200.0 km and is 1.5 × 108 km from the Sun.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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An astronomer on a planet orbiting the star Deneb wants to differentiate the reflected light by Earth from the light of the Sun. First, consider the area of Earth's disk which reflects the Sun's intercepted light. Second, consider the surface area of a sphere with the same radius as Earth’s orbit around the Sun. Take the ratio of these two areas. Assume the Earth's radius is 6200.0 km and is 1.5 × 108 km from the Sun.
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