The reason for using spacecrafts as one of the best ways to study about planets.

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Chapter 6.4, Problem 6.5CYU

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The reason for using spacecrafts as one of the best ways to study about planets.

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You are elected as the chief engineer of a project to explore the whole Solar System. Your aim is to design, manufacture and run a satellite -or- a device -or- a spaceship -or- "something" that will travel to each planet in the solar system, explore it and then send the data gained back to Earth. What points you consider as important stages of the project? What kind of travel method(s) you would use to cover whole solar system? How are you going to send back the data you gathered during the exploration?

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