Describe trans-Neptunian and Kuiper-belt objects

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Describe trans-Neptunian and Kuiper-belt objects

Describe the composition and classification of the various types of asteroids
Recognize the threat that near-Earth objects represent for Earth
Discuss possible defensive strategies to protect our planet
Characterize the general physical appearance of comets
Describe the composition of the Oort cloud
Describe trans-Neptunian and Kuiper-belt objects
Explain the proposed fate of comets that enter the inner solar system