Distance Sun to Mars

# Distance Sun to Mars - Determining the Distance from the...

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Determining the Distance from the Sun to Mars In this project, we will determine the distance from the sun to Mars using known data about the periods of the orbits of Mars and the Earth around the sun and two measurements made on Earth. When observing Mars from Earth, the angle that Mars makes with the sun and Earth is called the solar elongation . See Figure 1. Following are some known facts and the results of two measurements of the solar elongation for Mars. The period of the orbit of Earth around the sun is 365.25 days. This means that Earth orbits the sun every 365.25 days. The period of the orbit of Mars around the sun is 687 days. This means that Mars orbits the sun every 687 days. On November 13, 2000, Mars had a solar elongation of In Figure 2, this means that angle CBD is On October 1, 2002, 687 days after November 13, 2000, Mars had a solar elongation of In Figure 2, this means that angle CAD is

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## This note was uploaded on 05/15/2011 for the course MTH 122 taught by Professor Stone during the Fall '08 term at Grand Valley State.

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Distance Sun to Mars - Determining the Distance from the...

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