QQuestionAstronomy
QuestionAstronomy
Fill in the blank: "_____________" means the period beginning one-half hour before sunrise and ending one-half hour after sunset.
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Answer
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Step 1:I'll solve this problem step by step:
Step 2:: Identify the Term
The term being described is "civil twilight".
Step 3:: Define Civil Twilight
Civil twilight is the period of time before sunrise and after sunset when there is enough natural light for most outdoor activities to be carried out without artificial lighting. Specifically, it extends from 30 minutes before sunrise until 30 minutes after sunset.
Step 4:: Explain the Characteristics
During civil twilight: - The sun is just below the horizon - There is still sufficient natural light for most practical purposes - Objects are still distinguishable - Artificial lighting is not yet necessary for most outdoor activities
Final Answer
Note: This is a straightforward definition-based question that requires understanding the specific astronomical term for the period of partial daylight before sunrise and after sunset.
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