Which of the Following Is a Technique Used by Astronomers

question 88

Multiple Choice

Which of the following is a technique used by astronomers in their search for other planetary systems?

• A) Observation of the star's rotation only
• B) Observation of the Doppler shifts in the star's spectrum only
• C) Both (A) and (B)
• D) The search for alien signals

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Definitions:

Animal Influence

The effect that animals, through companionship, behavior, or by other means, have on human psychological well-being or societal traits.

Sleepy

A state of tiredness or drowsiness where an individual feels the need for sleep, often due to lack of rest, exertion, or specific sleep disorders.

Cave

A natural underground space large enough for a human to enter, often formed by the weathering of rock and leaving behind a void.

Hour Intervals

Fixed periods of time, each lasting exactly sixty minutes, often used as a measure for scheduling or tracking events.