Using what we know, we can confirm that the planet that would gravitationally attract the spacecraft the least is Mars.
Why would Mars attract the least?
This has to do with the mass of the planet. Mars has the lowest mass of all of the planets listed. Given that mass and gravitational force are directly proportional, we can infer that the lower the mass of a planet, the lower its force of gravitational attraction.
Therefore, we can confirm that the planet that would gravitationally attract the spacecraft the least is Mars.
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