How far is the Earth from the Sun when measured in Astronomical Units (AU)?
Answer
One Astronomical Unit (AU)
The standard unit for measuring distances within a star system, the Astronomical Unit (AU), is specifically defined by the mean distance between the Earth and the Sun. Therefore, the Earth is located approximately one AU away from the Sun, which is also stated in the text as equating to about 93 million miles. This proximity is the defining factor influencing how large and bright the Sun appears to us compared to much more distant stars, even if the Sun is only of average luminosity on a galactic scale. The AU provides a convenient, relatable scale for solar system measurements.
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