The radial velocity vs time curve of a star orbited by a single planet.
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Figure 1 shows the radial velocity vs time curve of a star orbited by a single planet. The labels on the horizontal axis refer to Barycentric Julian Dates (BJD). The time elapsed between BJD 56480 and BJD 56500 is 20 days. Estimate the orbital period of the planet to within the nearest whole number of days. Explain your reasoning.
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