Suppose an Asteroid Had an Orbit with a Semimajor Axis

question 49

Multiple Choice

Suppose an asteroid had an orbit with a semimajor axis of 4 AU.How long would it take for it to orbit once around the Sun?

• A) 76 years
• B) 45 years
• C) 8 years
• D) 16 years
• E) 2 years

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Definitions:

Glutamate

An important neurotransmitter in the brain involved in learning, memory, and the regulation of the nervous system.

GABA

Gamma-Aminobutyric Acid, a neurotransmitter in the brain that inhibits nerve transmission, reducing neuronal excitability throughout the nervous system.

Agonist

A chemical or drug that binds to receptors in the brain and causes a reaction, often mimicking the action of naturally occurring substances.

Reuptake

The absorption by a presynaptic nerve ending of a neurotransmitter that it has secreted, critical in regulating neurotransmitter levels and influencing neural communication.