Consider an External Solar System in Which There Are Three

question 20

Multiple Choice

Consider an external solar system in which there are three terrestrial planets. All are located far from other objects so tidal forces aren't significant. If planet A has a radius of 1 Earth radius, and planet B has a radius of 2 Earth radii, and planet C has a radius of 3 Earth radii, which planet has the highest chance of having at least a partially liquid core and a detectable magnetic field?

• A) Planet A
• B) Planet B
• C) Planet C
• D) They all have the same likelihood of having a liquid core.
• E) None of these planets should have a liquid core, because they all should have completely solidified.

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Definitions:

Physical Play

Activities that engage children (or adults) in physical exercise or movements, such as running, jumping, or climbing, promoting physical health and coordination.

Enthymeme

A rhetorical syllogism missing one of the premises or the conclusion, used in persuasive speech.

Validity

The extent to which a concept, conclusion, or measurement is well-founded and corresponds accurately to the real world.

Distributed

Spread out or dispersed over a wide area or among a large number of people.