The Orbital Periods of Io, Europa, and Ganymede Are in the Ratio

question 237

Multiple Choice

The orbital periods of Io, Europa, and Ganymede are in the ratio 1:2:4. Is there any significance to this?

• A) No. This is just a random coincidence of the manner in which these satellites condensed out of the primordial nebula around Jupiter.
• B) Yes. This is the ordering predicted by Kepler's third law.
• C) Yes. Combined with the fact that these are all prograde orbits, this shows that these moons are not captured asteroids.
• D) Yes. After completion of an orbit by Ganymede, all these moons will be in a line, creating tidal stresses on Io.

Identify different types of person-environment transactions.

Understand the evidence supporting personality stability across the lifespan.

Recognize the concept of rank-order personality consistency.

Know the variations in personality traits and disorders across the lifespan.

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Definitions:

Personal Unhappiness

A state of dissatisfaction or sadness with one's personal situation or life circumstances.

Self-Awareness

The awareness of one's own personality, emotions, intentions, and wishes.

Incompetence

A lack of necessary skills or abilities to perform a task or duty effectively.

Reality

The state of things as they actually exist, as opposed to an idealistic or notional idea of them.