What is parsec ?

The parsec is the unit of measurement utilized in astronomy to point the distances to stars and galaxies.

The parsec, which is not used fairly often in day by day life, however is known as the unit of measurement of interstellar distance in astronomy, is incessantly utilized by scientists.

One parsec equals roughly 30 trillion kilometers or 19 trillion miles. That is slightly over three light-years.


Launched in 1977, the Voyager 1 spacecraft is the farthest man-made object from Earth, and its distance from Earth in parsec is 0.0006 parsecs.

The Andromeda Galaxy, the closest spiral galaxy to Earth, is at a distance of roughly 800 kiloparsecs to 1,000 parsecs.

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For bigger measurements, astronomers use the phrases megaparsec and even gigaparsec. Which means a million and one billion parsecs, respectively.

These measurements are typically used for measurements of enormous formations. The Virgo Cluster, a cluster 1000’s of galaxies past our group, is positioned 16 megaparsecs away from us.

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