Why Do Astronomers Believe That Triton Is a Captured Moon

question 80

Multiple Choice

Why do astronomers believe that Triton is a captured moon?

• A)Triton is very small and potato- shaped, which is common of captured moons.
• B)Triton is too large to have been formed in the "miniature solar nebula" thought to have surrounded Neptune in its very early history.
• C)Triton appears to be made mostly of ice.
• D)Triton orbits Neptune in a direction opposite that of Neptune's rotation.

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Definitions:

Random Variable

A variable that assumes numerical outcomes as a result of random events.

Constant

A value that remains unchanged throughout the execution of a process or formula.

Poisson Random Variable

A random variable that represents the number of events occurring in a fixed interval of time or space, where these events occur with a known constant mean rate and independently of the time since the last event.

Discrete Random Variable

A random variable that can take on a countable number of distinct values, often representing quantities that can be enumerated.