An Inferior Planet Moves More or Less Directly Toward Earth

question 161

Multiple Choice

An inferior planet moves more or less directly toward Earth at greatest eastern elongation.What does this mean when you are watching the night-by-night motion of this planet against the background stars?

• A) The planet appears to remain stationary for a few days.
• B) The planet appears to be moving at its fastest motion against the background.
• C) The planet is invisible in the sky because it is moving toward Earth.
• D) The planet's motion against the background will appear to be normal, that is, direct motion, because apparent motion is always constant in a circular orbit.

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Definitions:

Interpreting Standards

The practice of understanding and applying guidelines or criteria in a specific area, often to ensure consistency and quality.

Social Structure

The organized pattern of social relationships and social institutions that together compose society.

Group Survival

The ability of a group of individuals to endure and sustain themselves through cooperation and shared resources.

Personal Satisfactions

The fulfillment or gratification of one's desires, expectations, or needs, or the pleasure derived from such fulfillment.