The Most Accurate Way of Finding the Distance to Some

question 29

Multiple Choice

The most accurate way of finding the distance to some very far away stars might be by observing

• A) their orbiting planets
• B) their motion relative to nearby stars
• C) the variation in their position in the night sky on successive nights
• D) the rate of variation in their luminosity

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Definitions:

Consumer Price Index

A metric that tracks the average variation in prices that urban buyers pay for a selection of consumer products and services over a period.

Rising Cost

An increase in the price or expense of goods, services, or operational activities over time.

Labor Market

A marketplace where employers find workers and workers find jobs. It's the supply of available labor compared to the demand for it.

Fair Labor Standards Act

U.S. law that establishes minimum wage, overtime pay eligibility, recordkeeping, and child labor standards.