Two Planets Orbit a Distant Star

question 39

Multiple Choice

Two planets orbit a distant star.If the planets have identical compositions,the one that cools fastest would have the:

• A) largest orbital semimajor axis.
• B) smallest orbital semimajor axis.
• C) largest planetary radius.
• D) smallest planetary radius.

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Definitions:

Correctly Matches

Properly aligns or associates two or more elements based on a set of rules or criteria.

Natural Selection

A mechanism of evolution posited by Charles Darwin, where organisms better adapted to their environment tend to survive and produce more offspring.

Predation

A biological interaction where one organism, the predator, hunts and consumes another organism, the prey, for food.

Proportionately

In a way that keeps a correct or appropriate relationship in size, amount, or degree between parts of a whole.