A unit of length equal to the average distance between the earth and sun is called
- Light year
- Parallax
- Parsec
- Astronomical unit
- None of these
Explanation
Astronomical unit represented as (AU, or au), a unit of length effectively equal to the average, or mean, distance between Earth and the Sun, defined as
149,597,870.7 in km
(92,955,807.3 in miles).
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