Definisjon av astronomical unit

Vi fant 2 definisjoner av astronomical unitengelsk.

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Substantiv

astronomical unit - The mean distance from the Earth to the Sun the semi-major axis of Earth's orbit, approximately 149,600,000 kilometres symbol AU, used to measure distances in the solar system.

OmegaWiki Dictionary Ω

  • astronomical unit
    The average Earth-Sun distance, equal to 149.5 million kilometers or 93 million miles.

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