If Our Year Were Twice as Long (That Is, If

question 58

Multiple Choice

If our year were twice as long (that is, if Earth took twice as many days to complete each orbit around the Sun) , but Earth's rotation period and axis tilt were unchanged, then .

• A)the Earth would not have seasons
• B)the cycle of precession would take 13,000 years instead of 26,000 years
• C)the four seasons would each be twice as long as they are now
• D)stars would take twice as long to rise and set

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Definitions:

Cerebellum

A part of the brain at the back of the skull in vertebrates, responsible for coordinating and regulating muscular activity.

Thalamus

A vital brain structure that acts as the main relay station for sensory information to the cerebral cortex, excluding smell.

Hypothalamus

A region of the brain responsible for the production of hormones that regulate body temperature, hunger, moods, and the release of hormones from other glands, among other critical functions.

Hypothalamus

A region of the brain below the thalamus, coordinating both the autonomic nervous system and the activity of the pituitary, controlling body temperature, thirst, hunger, and other homeostatic systems.