SI units, dimensional analysis, error analysis used heavily in astronomy estimation problems.
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Q1 · Units and Measurements · MEDIUM
The astronomical unit (AU) is approximately equal to:
Q2 · Units and Measurements · EASY
What is the SI unit of luminous intensity?
Q3 · Units and Measurements · HARD
A parsec is defined as the distance at which one astronomical unit subtends an angle of:
Q4 · Units and Measurements · EASY
The dimensional formula of universal gravitational constant G is [M^a L^b T^c]. What are the values of a, b, and c respectively?