What of the Following Distance Methods Is Used to Determine

question 131

Multiple Choice

What of the following distance methods is used to determine the distance to the most distant galaxies

• A)radar echo
• B)supernova observations
• C)period-luminosity relationship of variable stars
• D)parallax

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Definitions:

Emergency/Parking Brakes

A secondary braking system designed to keep a vehicle stationary when parked and act as a backup in case of the primary brake system's failure.

Three Valve System

A three valve system typically refers to an engine design where each cylinder has three valves, two for intake and one for exhaust, which can improve airflow, fuel combustion efficiency, and overall engine performance.

Dash Control

Controls located on the dashboard of a vehicle or machine, allowing the operator to manage various functions and systems.

Air Pressure

The force exerted by air, whether in a specific container or in the atmosphere, typically measured in pounds per square inch (PSI) or bar.