Astronomy Practice Exam

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Which planet is located fourth from the sun?

Earth
Jupiter
Mars
Venus

The correct answer is: Mars

The planet that is located fourth from the sun in our solar system is Mars. The order of the planets from the sun, starting with Mercury closest to the sun, is as follows: Mercury, Venus, Earth, and then Mars. Understanding this order is crucial because it helps us to grasp the structure of our solar system and the relative distances of the planets from the sun, which influences various factors including climate, orbital period, and potential for hosting life. Mars, known as the "Red Planet," is unique in its features and is often studied for its past presence of water and its potential for harboring life. The other planets—Mercury, Venus, Earth, and Jupiter—are either closer or further away from the sun, placing Mars firmly as the fourth planet in this lineup.