What Is a Planetary Nebula

question 51

Multiple Choice

What is a planetary nebula?

• A)gas created from the remains of planets that once orbited a dead star
• B)interstellar gas from which planets are likely to form in the not-too-distant future
• C)the remains of a high-mass star that has exploded
• D)gas ejected from a low-mass star in the final stage of its life

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Definitions:

Hallucinations

Sensory experiences that appear real but are created by the mind, without any external stimulus.

Voices Inside

Refers to the experience of hearing internal voices or thoughts, which can be a normal aspect of introspection or a symptom of certain psychological conditions.

Multiple Voices

The presence of various distinct perspectives or narrative styles within a single text, conversation, or cognitive process.

Positive Symptoms

Manifestations of psychotic disorders such as delusions and hallucinations that represent an excess or distortion of normal functions.