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Measuring Length

What is paral...

Question

What is parallactic second ? Is it a measurement of Time or Measurement of Distance ? Explain

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Solution

Parallactic second is the unit of distance because parallactic second is abbreviation of parsec.
Parsec:
Parsec is the unit for larger distances .It is the distance at which star would make parallax of one second of arc.
1 parsec=3.26 light years

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