Definition:Astronomical Unit/Approximate Values
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Definition
The astronomical unit is approximately $150 \, 000 \, 000 \, \mathrm {k m}$, or $93$ million (international) miles.
Sources
- 1992: George F. Simmons: Calculus Gems ... (previous) ... (next): Chapter $\text {B}.25$: Kepler's Laws and Newton's Law of Gravitation