astro
heavenly body
noun AHS-troh Rare
Origin: From Greek astron ('star'), via Latin astrum.
Also means
star
Usage Note
Astro refers to any celestial body — a star, planet, or moon. In informal Spanish, especially in Latin America, it is also used to call someone a celebrity or 'star': es un astro del fútbol ('he's a football star'). The prefix astro- appears in many compound words: astronauta, astrología, astronomía.
Examples
"El sol es el astro más importante para la vida."
Natural Translation
The sun is the most important heavenly body for life.

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