How to Use astronomical unit in a Sentence

astronomical unit

noun
  • One astronomical unit is equal to the distance between the Earth and the sun.
    Ashley Strickland, CNN, 16 Oct. 2019
  • Bannister refers is an astronomical unit, which is the mean distance from the center of the earth to the center of the sun.
    Tom Yulsman, Discover Magazine, 11 July 2016
  • The distance between Earth and the sun is one astronomical unit.
    Ashley Strickland, CNN, 26 July 2021
  • Some simple numbers to spell it out: Distance in the solar system is measured in astronomical units (AU), which is the distance between Earth and the sun.
    John Wenz, Popular Mechanics, 13 Dec. 2018
  • Astronomers call these, the ones that approach within 1.3 astronomical units of the sun, near-Earth asteroids.
    Conor Feehly, Discover Magazine, 12 July 2023
  • To be sure, these planets — the two largest in our solar system — are far apart from each other, about 4.5 times the average distance between the Earth and the sun, what’s considered one astronomical unit.
    Marisol Chávez, Dallas News, 21 Dec. 2020
  • The radio burst’s complex, magnetized environment is within about an astronomical unit (the distance between Earth and the sun) from its source, the researchers found.
    Kristen Rogers, CNN, 23 Sep. 2022

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'astronomical unit.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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