Why Are Star Clusters Ideal "Laboratories" for Stellar Evolution

question 65

Multiple Choice

Why are star clusters ideal "laboratories" for stellar evolution?

• A) Their stars are all about the same age, composition, and distance from us.
• B) Like our Sun, they lie in the plane of the Milky Way.
• C) The combined light of all the stars makes them easier to see.
• D) Their stars are all about the same mass and temperature.
• E) Their stars are all the same composition and stage in evolution.

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Definitions:

Descriptive Methods

Research techniques used to describe characteristics of a population or phenomenon, involving observations and surveys without influencing the subjects.

Case Studies

An investigative technique that involves a thorough, detailed, and comprehensive analysis of a study subject (the case) and the conditions surrounding it in its context.

Naturalistic Observations

An observational research strategy where subjects are examined within their natural habitats without any intervention from the person observing.

Descriptive Method

A research method aimed at observing and describing the characteristics of a subject without influencing it.