Nereid Orbits Neptune in a Highly Elliptical Orbit,and Triton Has

question 33

Multiple Choice

Nereid orbits Neptune in a highly elliptical orbit,and Triton has a retrograde orbit around Neptune.This information suggests that

• A) Neptune formed out of the solar nebula in much the same manner as the other Jovian planets.
• B) Pluto was probably a moon of Neptune that escaped.
• C) Triton and Nereid are both captured objects from the inner solar system,probably the asteroid belt.
• D) Triton and Nereid may both have suffered major impacts that radically changed their orbits.
• E) Triton and Nereid should both have relatively strong magnetic fields.

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Definitions:

Radiopaque

Impenetrable to the X-ray or other forms of radiation.

Impenetrable

Impossible to pass through or enter, often used to describe dense materials or abstract concepts like complex theories.

Radiation

The emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles that cause ionization.

Mammogram

An X-ray examination of the breast used to detect and diagnose breast diseases, especially breast cancer, in women.