Which of These Statements About Open Star Clusters Is TRUE

question 295

Multiple Choice

Which of these statements about open star clusters is TRUE?

• A) Open star clusters slowly condense into globular clusters as the stars drive off the remaining interstellar dust and gas.
• B) One star in an open cluster eventually undergoes a supernova explosion that quickly disperses the other stars.
• C) As open star clusters slowly condense, their residual rotation spins them into a flat pancake shape and they become spiral galaxies.
• D) The motions of individual stars are such that all open clusters eventually disperse.

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Definitions:

Dissociative Identity Disorder

A mental disorder characterized by the presence of two or more distinct personality states or identities in an individual.

Mutually Amnesic

Characterizes a state where two or more individuals mutually have no memory of certain events or experiences.

Culture-Bound

Conditions or phenomena that are understood or perceived within the context of a specific culture.