The H-R Diagram for an Open Cluster Gives Special Information

question 190

Multiple Choice

The H-R diagram for an open cluster gives special information because all stars in an open cluster are

• A) the same age.
• B) the same mass.
• C) moving in the same direction.
• D) the same spectral type.

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Definitions:

Probability

A branch of mathematics concerned with the analysis of random phenomena, describing the likelihood of occurrences through numerical values between 0 and 1.

Random

Lacking any definite plan, purpose, or pattern, often used in the context of selection or occurrence.

First Serves

In tennis, the initial serve attempt in a point, which, if successful, initiates the rally.

Probability

The mathematical likelihood of a specific event occurring, often expressed as a number between 0 and 1.