Interstellar Extinction and the Reddening of Light by the Interstellar

question 51

Multiple Choice

Interstellar extinction and the reddening of light by the interstellar medium (ISM) are both caused by _____.

• A) atoms and molecules in the ISM
• B) only  atoms in the ISM
• C) only molecules in the ISM
• D) only dust in the ISM
• E) dust, atoms and molecules of the ISM

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Definitions:

Depression

A disorder of emotional well-being characterized by endless melancholia or a disinterest in leisure activities, drastically hampering daily life tasks.

Anxiety Disorders

Mental health disorders characterized by excessive fear or worry, which can interfere with daily activities.

Traumatic Brain Injuries

Damage to the brain caused by an external mechanical force, potentially leading to long-term complications or death.

Obsessive-Compulsive Disorder

A psychological condition marked by involuntary recurring thoughts (obsessions) and behaviors (compulsions).