what is value of parallactic second
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Parallactic second or parsec is the distance at which length of one astronomical unit subtends an angle of one second of an arc. It's value is 1parsec(parallactic second)=3.1×10^16metres.
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Explanation:
Parallactic second or parsec is the distance at which length of one astronomical unit subtends an angle of one second of an arc. It's value is 1parsec(parallactic second)=3.1×10^16metres.
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