From what mathematical concept is the parsec derived?
Answer
Trigonometry
The parsec (parallax second) is derived from trigonometry, specifically relating to the parallax shift observed as the Earth moves along its orbit.
Related Questions
What is the fixed value of one Astronomical Unit (AU) in kilometers?For measuring distances within which domain is the Astronomical Unit (AU) the fundamental building block?How is a light-year defined?Approximately how many Astronomical Units (AU) equal one light-year?From what mathematical concept is the parsec derived?How does the size of a parsec compare to a light-year?Why do professional astronomers often prefer the parsec over the light-year when mapping static objects?What scale primarily uses the Kiloparsec (kpc) unit?Which unit is preferred when measuring distances to other nearby galaxies, such as Andromeda?What stands as the largest descriptive unit commonly invoked when delineating the boundaries of the observable cosmos?