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Q. |
'Parsec' is the unit measurement of - |
A. | Density of stars |
B. | Astronomical distance |
C. | Brightness of heavenly bodies |
D. | Orbital velocity of giant stars |
Answer» B. Astronomical distance | |
Explanation: The parsec (symbol: pc) is a unit of length used to measure large distances to astronomical objects outside the Solar System. |
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