Why Do Cepheid Variables Have That Strange Name

question 8

Multiple Choice

Why do Cepheid variables have that strange name?

• A) they were discovered by an astronomer named George Cepheid
• B) the first star discovered to be this kind of variable had the Latin name Cepheidus
• C) the word Cepheid means changing in brightness in ancient Greek
• D) the first such variable was discovered in a constellation called Cepheus
• E) the astronomer who discovered them had a dog named Ceffie

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Definitions:

Just Over 50%

A term indicating a slight majority or a proportion slightly more than half in a given context.

Around 70%

Typically used to quantify or estimate a proportion close to seventy out of a hundred.

Cognitive Development

The process of growth and change in intellectual abilities, such as thinking, reasoning, and understanding, over the course of a lifetime.

Responsible Stage

In Schaie’s theory, the stage of cognitive development faced during middle adulthood in which ill-defined problems remain the norm, but problem solving must now take into account not only one’s own personal needs and goals but also those of others in one’s life that have become one’s responsibility (spouse, children, coworkers, member of the community).