Uranus and Neptune Are About the Same Size,yet Neptune Shows

question 112

Multiple Choice

Uranus and Neptune are about the same size,yet Neptune shows spots and bands in its atmosphere,whereas Uranus is almost featureless.Why this difference?

• A) Uranus and Neptune are at vastly different distances from the Sun,and the resulting difference in temperature causes the atmospheres to behave very differently.
• B) The two planets,although of similar size,have atmospheres that differ vastly in composition.
• C) The difference can be traced to the fact that Uranus is lying with its rotation axis almost in the plane of its orbit and Neptune is not.
• D) Neptune is still contracting and giving out energy,which warms the lower layers of its atmosphere,but Uranus is not.

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Definitions:

Preoperational Stage

A stage in Jean Piaget's developmental theory of childhood, from about ages 2 to 7, where children begin to engage in symbolic play but lack the ability to perform operations or think logically.

Represent Another

A phrase that suggests acting on behalf of or symbolizing someone or something else.

Reversibility

The cognitive ability to recognize that numbers or objects can be changed and then returned back to their original condition.

Nonstage Theory

A theory suggesting that development or cognition does not progress through fixed stages, but rather continuously.