►DCEBJune 11thANovember 11thLet's assume that the planet was originally orbitingaround something with the mass of our Sun (and thusthe mass of the planet is negligible). Now we willexamine the case where the planet orbits a star with 8times the mass of our Sun, but we will say that the dateslisted in the diagram above are still accurate forindicating the planet's position as it orbits the new star.What does this imply must be true about about the sizeof the semimajor axis of the planet in this casecompared to the original (aka what is the ratio betweenthe new semimajor axis and the old one)?

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Answered: Let's assume that the planet was…

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