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Noun: Astronomical Unit
  1. A unit of length used for distances within the solar system; equal to the mean distance between the Earth and the Sun (approximately 93 million miles or 150 million kilometres)
    - AU

Derived forms: Astronomical Units

Type of: astronomy unit

Encyclopedia: Astronomical Unit

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astronautic
astronautical
astronautics
astronavigation
Astronium
Astronium fraxinifolium
astronomer
astronomic
astronomical
astronomical telescope
Astronomical Unit
astronomical year
astronomically
astronomy
astronomy satellite
astronomy unit
astrophysical
astrophysicist
astrophysics
Astrophyton
Astrophyton muricatum