Variable Stars Such as Cepheid Variables Are Used in What

question 121

Multiple Choice

Variable stars such as Cepheid variables are used in what important measurement in astronomy?

• A) measurement of the distances to stars
• B) measurement of the rotation speeds of galaxies
• C) measurement of the surface temperatures of stars
• D) keeping of accurate time

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Definitions:

Asset Accounts

Accounts that track the value of the resources owned by a business, which can include cash, inventory, equipment, and real estate.

Journal

A record where all financial transactions of a business are initially noted before they are transferred to ledger accounts.

Ledger

A comprehensive collection of a company's accounts, documenting all transactions and financial results.