Pluto Is in a 2:3 Resonance Orbit with Neptune

question 58

Multiple Choice

Pluto is in a 2:3 resonance orbit with Neptune.What does this mean?

• A) During the time that Neptune orbits the Sun three times, Pluto orbits it twice.
• B) During the time that Neptune orbits the Sun twice, Pluto orbits it three times.
• C) Neptune rotates on its axis three times while Pluto rotates twice about its axis.
• D) Neptune's mean orbital radius is 2/3 of Pluto's mean orbital radius.

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Definitions:

Elderly

Persons of advanced age, often defined as being 65 years or older, who may experience unique health, social, and economic challenges.

Geronticide

The act or practice of killing the elderly or allowing them to die by withholding necessary care.

Genocide

The deliberate and systematic extermination of a national, racial, political, or cultural group.

Homicide

Operationally defined as the intentional and sometimes unintentional or accidental killing of another person.