The Deep Impact Mission Sent an Impactor Crashing into Comet

question 161

Multiple Choice

The Deep Impact mission sent an impactor crashing into Comet Tempel 1. What happened?

• A) The impactor disappeared into the rubble and regolith covering the comet's nucleus without leaving a trace.
• B) The impactor incinerated in the comet's coma and never reached the nucleus.
• C) The comet was shattered into many small fragments.
• D) The collision caused a huge cloud of debris, but 90% of it was pulled back to the surface by the nucleus' gravity.

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Definitions:

Abnormal Conditions

Situations or health conditions that deviate from what is considered normal or typical.

Dietary Deficiencies

Conditions that occur when a person's intake of nutrients is insufficient to meet their body's needs, leading to health problems.

Adrenal Glands

Small glands located above the kidneys that produce hormones like adrenaline and cortisol, which help regulate metabolism, immune system, and stress responses.

Lateral Hypothalamus

An area of the brain known as the "hunger center," which controls feeding behavior, thirst, and other functions related to the body's energy needs.