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Questions and Answers
What is the astronomical unit of time as defined in astronomy?
What is the astronomical unit of time as defined in astronomy?
- Day (correct)
- Hour
- Second
- Minute
Which organization adopted the astronomical system of units in 1976?
Which organization adopted the astronomical system of units in 1976?
- NASA
- International Astronomical Union (IAU) (correct)
- European Space Agency (ESA)
- SpaceX
What is the main focus of astronomy as stated in the text?
What is the main focus of astronomy as stated in the text?
- Study of oceanography
- Study of human history
- Study of life on other planets
- Study of the universe and celestial bodies (correct)
How many Julian days make up one year?
How many Julian days make up one year?
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What does the astronomical unit of mass represent?
What does the astronomical unit of mass represent?
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How is the universe defined in the text?
How is the universe defined in the text?
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