An Open Cluster Has

question 71

Multiple Choice

An open cluster has

• A) a few hundred members, often very young and still embedded in the gas and dust from which they were formed.
• B) hundreds of thousands of members, all very old, surrounded by very little interstellar gas and dust.
• C) a few dozen members, the remnant of a globular cluster of stars from which most of the members have escaped.
• D) many thousands of members of different ages.

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Definitions:

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