Halley's Comet Returns to the Sun's Vicinity Approximately Every 76

question 216

Multiple Choice

Halley's Comet returns to the Sun's vicinity approximately every 76 years in an elliptical orbit.According to Kepler's third law,what is the semimajor axis of this orbit?

• A) 0.59 AU
• B) 17.9 AU
• C) 50.000 AU
• D) 1 AU

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