The Hipparcos Satellite Was Able to Measure Parallax for Stars

question 104

Multiple Choice

The Hipparcos satellite was able to measure parallax for stars out to about 150 pc.This distance includes roughly 2.5 million stars.The new Gaia satellite should be able to measure the parallax of roughly a billion stars.Assuming the density of stars is approximately constant,what distance would this correspond to? (Hint: the volume of a sphere is proportional to the cube of the radius.)

• A) 35 pc
• B) 167 pc
• C) 350 pc
• D) 20 kpc

Understand the classification and characteristics of different markets (consumer, government, industrial, reseller) and their roles in the economy.

Identify the North American Industry Classification System (NAICS) and its importance in segmenting and analyzing markets.

Comprehend the concept of derived demand and how consumer demand affects the demand for industrial products and services.

Grasp key elements of organizational buying behavior, including the buying process, market characteristics, and factors influencing purchasing decisions.

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Definitions:

Repeating Items

The act of presenting the same content or material multiple times to improve memory retention or emphasize importance.

Allan Baddeley

A cognitive psychologist best known for his work on the model of working memory.

Short-term Memory

A component of memory where small amounts of information can be stored for a short period of time, typically seconds to minutes.

Working Memory

A cognitive system with a limited capacity that is responsible for temporarily holding information available for processing.