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WordNet-Online
Definitions from WordNet
Noun astronomical unit has 1 sense
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Definitions from the WebAstronomical UnitDefinitionAn astronomical unit is a unit of measurement used in astronomy to represent the average distance between the Earth and the Sun. It is approximately equal to 93 million miles or 150 million kilometers. SensesNoun (Astronomy)1. A unit of length used to measure distances within the solar system, approximately equal to the average distance from the Earth to the Sun. Sample Sentence: The distance from Earth to Mars is approximately 1.5 astronomical units. Noun (Physics)1. A unit of measurement equal to the average distance between the Earth and the Sun. Sample Sentence: Scientists often use astronomical units when discussing the scale of the solar system. Related Products | ||||
astronium fraxinifolium astronmical unit astronomer astronomers astronomic astronomicae astronomical astronomical telescope astronomical unit astronomical year astronomicale astronomically astronomicle astronomie astronomy astronomy satellite astronomy unit
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