Define par- sec and light year?
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Answer:
One parsec is approximately equal to 31 trillion kilometres (19 trillion miles), or 210,000 astronomical units, and equates to about 3.3 light-years.
Astronomical units: 2.06265×105 au; 3.26156 ly
Unit system: astronomical units
Unit of: length/distance
Imperial & US units: 1.9174×1013 mi
Answered by
3
Explanation:
One parsec is approximately equal to 31 trillion kilometres (19 trillion miles), or 210,000 astronomical units, and equates to about 3.3 light-years.
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