An Important Aspect of Binary Star Systems,as Distinct from Single

question 51

Multiple Choice

An important aspect of binary star systems,as distinct from single stars,is that they allow a

• A) verification of the Doppler shift.
• B) measurement of the overall shapes of stars.
• C) measurement of the universal gravitational constant.
• D) measurement of the masses of stars.

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Definitions:

LED Indicator

A light-emitting diode used as a visual signal to represent the status or condition of a device, operation, or process.

Electrical Noise Interference

Unwanted disturbances superimposed on a useful signal that tend to obscure its information content, often caused by electromagnetic disturbances.

Logic Circuits

Electronic circuits that implement logical functions, they are the building blocks of digital devices, able to process binary data input into specific outputs.

I/O System

An Input/Output System is the component of a computer or PLC responsible for communication with the external environment through devices like sensors and actuators.