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| 1. |
Relation between parsec and astronomical unit |
| Answer» The AU or astronomical unit is the shortest distance of the three. It is the rough distance from\xa0the sun\xa0to\xa0the earth\xa0. The AU is used strictly to measure distances in our solar system.\xa0A parsec is a very complex idea. Basically it is used to measure the distances between any two objects beyond our solar system. It is complex because it takes into account the movement of the earth relative to those other two objects to better define the desired result. | |