The Dwarf Planet Named Eris Orbits the Sun with a Semimajor

question 82

Multiple Choice

The dwarf planet named Eris orbits the Sun with a semimajor axis of 68 AU.Using Kepler's third law, Eris's orbital period is

• A) 26 years.
• B) 130 years.
• C) 72 years.
• D) 240 years.
• E) 560 years.

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