Astronomers Argued That the Heliocentric Model of the Solar System

question 15

Multiple Choice

Astronomers argued that the heliocentric model of the Solar System was simpler than the geocentric model, based on

• A) the observation that the planets do not move relative to the background stars.
• B) the fact that the Moon orbits Earth.
• C) the fact that the Sun is more massive than Earth.
• D) the observed retrograde motions of the planets.
• E) the observed timing of lunar and solar eclipses.

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Definitions:

Sibling

A person's brother or sister; this relationship is an important aspect of family dynamics and individual social development.

Personality

The combination of characteristics or qualities that form an individual's distinctive character.

Parenting Styles

Refers to the standard strategies that parents use in their child rearing, including authoritative, authoritarian, permissive, and uninvolved styles.

First-born Children

Children who are the eldest in their family, often subjects of studies on birth order effects on personality and development.