Scientists are observing and recording data for two different planets, planet X and planet Y. Each planet orbits a different star. The planets have the same mass. The scientists record the following data. Star X – Planet X Star Y – Planet Y Distance (millions of kilometers) 100 100 Orbital period of the planet (Earth days) 390 260 Which of the following statements is most likely true? A. The star close to planet Y has more mass. B. The star close to planet Y is hotter. C. The star close to planet Y has less mass. D. The star close to planet Y is cooler.