Question : 'Parsec' is the unit measurement of
Option 1: density of stars
Option 2: astronomical distance
Option 3: the brightness of heavenly bodies
Option 4: orbital velocity of giant stars
Correct Answer: astronomical distance
Solution : The correct option is astronomical distance.
In astronomy, the unit of measurement used to represent the immense distances between celestial objects is the parsec. Calculating cosmic distances on the scale of galaxies and interstellar space is its specific application. The name "parsec," which stands for parallax arcsecond, is derived from the idea of parallax, which is the apparent change in an object's position when viewed from variable angles.
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