Astro 120-Mass of Solar System

# Astro 120-Mass of Solar System - Eitan Reshef Matthew...

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Eitan Reshef Matthew Yablansky January 14 th , 2008 Astronomy 120 Measuring Mass in the Solar System In order to measure the mass of all objects in the solar system, it is imperative to subdivide each type of object into various categories. Basically, our solar system is divided into planets, the sun, satellites, moons, asteroids, the Kuiper Belt, and the Oort Cloud. In order to find the mass of the Earth we must examine Newton’s Law of Universal Gravitation. This tells us that t he force of attraction between two objects is proportional to the product of their masses divided by the square of the distance between their centers of mass. We can assume the radius of the Earth is approximately 6378.1 kilometers through given studies. The equation that expresses Newton’s statement ( F = G ( m 1 ) ( m 2 ) / d ²) is the first of many steps in finding the mass, where G is the gravitational constant. Newton also said that the acceleration of an object is directly proportional to the

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• Spring '08
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