The Ecliptic Is the Plane Defining the EarthEarth''s Orbit Around

question 175

Multiple Choice

The ecliptic is the plane defining the EarthEarth''s orbit around the Sun.The orbits of most other objects in the solar system generally lie fairly close to the ecliptic.However,the orbits of which one of the following types of objects do NOT generally lie close to the ecliptic?

• A) Trojan asteroids
• B) asteroid belt asteroids
• C) comets
• D) Kuiper belt objects

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Definitions:

Axon Terminals

The endings of axons that transmit signals to other neurons or muscle cells through synapses.

Neurogenesis

The process of generating new neurons in the brain, which occurs in certain brain regions throughout life.

Dopamine

A neurotransmitter involved in controlling movement and posture, moderating mood, and plays a central role in the reward system of the brain.

Blood-Brain Barrier

A selective barrier that prevents certain substances in the bloodstream from entering the brain, protecting it from toxins and infections.