What historical basis was used to develop the Astronomical Unit?
Answer
The average distance from the Earth to the Sun
Historically, the AU was defined by painstakingly calculated observations representing the average distance separating the Earth from the Sun.
Related Questions
What is the standardized, exact definition of the Astronomical Unit (AU) in meters, adopted by the IAU in 2012?What is the correct chemical symbol for the element Gold?According to the text, approximately how far from the Sun does Jupiter orbit, measured in Astronomical Units?What does the Latin name *aurum*, from which the symbol for Gold is derived, translate to?What historical basis was used to develop the Astronomical Unit?In metallurgy and coinage, how is the purity of gold often expressed?What property of the standardized AU definition is crucial for modern high-precision calculations?What is an example of a stable complex involving gold mentioned in the text?If a reader encounters 'AU' in a NASA press release concerning the Voyager probes, what is the context referring to?How is the abbreviation for the Astronomical Unit typically capitalized?