An Extrasolar Planet in the HD 4308 System Orbits Its

question 9

Multiple Choice

An extrasolar planet in the HD 4308 system orbits its parent star at a distance of 17.1 million kilometers and takes 15.56 Earth days to complete one orbit. Given this and assuming that planet has a negligible mass compared to the parent star, what is the mass of the parent star?

• A) 3.25 ×10³⁰ kg
• B) 2.00 × 10³⁰ kg
• C) 1.25 × 10³⁰ kg
• D) 1.64 × 10³⁰ kg

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