Astronomers discover a planet orbiting a faraway star using the transit method, whereby the periodic dip in the intensity of the received starlight reveals the orbital period of the planet (the intensity drops when the planet blocks some of the starlight). By examining other characteristics of the star's light, the mass of the star is determined to be M = 6.5 × 10³¹ kg. 1.002 1.000 0.998 0.996 Estimate the planet's orbital period from the graph and use this number to calculate the planet's distance from the star (assume a circular orbit). 0.994 0.992 3 4 5 Time (days) G = 6.67 × 10-¹1 Nm²/kg² O Relative Brightness 0 2 r T exopla

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