Cepheids and Globular Clusters Are Limited in Their Ability to Measure

question 25

Multiple Choice

Cepheids and globular clusters are limited in their ability to measure the distance to galaxies because they ____.

• A) are too rare
• B) are not bright enough to detect at large distances
• C) behave differently in other galaxies than they do in our own
• D) do not appear in dwarf galaxies
• E) are only found in elliptical galaxies

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