What Is a Planetary Nebula

question 37

Multiple Choice

What is a planetary nebula?

• A) A planet surrounded by a glowing shell of gas
• B) The disk of gas and dust surrounding a young star that will soon form a star system
• C) The ejected envelope of a giant star surrounding the remains of a star
• D) A type of young,medium-mass star

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Definitions:

Attribute

A quality or feature regarded as a characteristic or inherent part of someone or something.

Social Influence

An interaction process in which one person’s behavior causes another person to change an opinion or to perform an action that he or she would not otherwise do.

Influence

The capacity to have an effect on the character, development, or behavior of someone or something.

Effectiveness

The degree to which objectives are achieved and the extent to which targeted problems are solved, in various contexts including business, therapy, and medicine.