Cepheid Variable Stars Are Useful to Astronomers as Indicators Of

question 97

Multiple Choice

Cepheid variable stars are useful to astronomers as indicators of:

• A) stars with very high-speed motion.
• B) white dwarf behavior.
• C) the existence of black holes.
• D) distance, particularly to nearby galaxies.

Understand the relationship between formal education and occupational status.

Critically analyze the criticisms of standardized tests including cultural, gender, and social class biases.

Comprehend the scope and impact of homeschooling.

Recognize the significant expenditure the United States makes on health care as a percentage of its GDP.