Which of the following is not a unit of Time? A. Parallactic second B. Micro second C. Leap year D. Solar day Answer Workspace Report Discuss Answer with explanation Answer: Option A Explanation It is the unit of distance. Parallactic second is nothing but what we call “Parsec”. Parsec is the distance that subtends an arc of 1 second, i.e., 1′’ with 1 Astronomical unit. Numerically, 1 parsec = 3.26 light years. Workspace
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