Which of the Following Objects Is Considered Useful to Astronomers

question 3

Multiple Choice

Which of the following objects is considered useful to astronomers as a "standard bulb" for determining distances?

• A) type Ia supernovae
• B) planets that resemble Earth
• C) K-type stars
• D) the brightness of the bulge in a galaxy's center
• E) the size of the largest diameter open cluster in a galaxy

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Definitions:

Transformation

The process of changing or converting something from one form or state to another, often referring to industrial, business, or technological changes.

Economic Growth

The increase in a country's production of goods and services over time, indicative of a growing economy.

Technology

Implementing scientific insights for real-world applications, chiefly in the field of industry.

Unemployment

The situation where individuals who are able and willing to work cannot find employment.