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Question #69342

The brightest planet is?

A Jupiter
B Mars
C Venus
D Mercury
💡 व्याख्या एवं सही उत्तर (Verified Answer)

सही उत्तर: 3

Question #69341

Why do we have a leap year every four years?

A The Earth gets shifted out of orbit every four years
B The revolution slows down a little once every four years
C The length of a year is not an integer number of days
D It is a convention
💡 व्याख्या एवं सही उत्तर (Verified Answer)

सही उत्तर: 3

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Question #69338

The twinkling of a star is due to?

A The variation in the intensity of light emitted by it with time
B The variation in the composition of the star with time
C The transit of other celestial objects the atmospheric across the line of sight
D The atmospheric refraction of starlight
💡 व्याख्या एवं सही उत्तर (Verified Answer)

सही उत्तर: 4