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A star

American  

noun

Astronomy.
  1. a blue to white star, as Altair, Sirius, or Vega, having a surface temperature between 7500 and 10,000 K and an absorption spectrum dominated by Balmer-series lines of hydrogen.


Example Sentences

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A star with very few of these elements must have formed before most supernovae occurred, meaning it likely belongs to the earliest generations of stars in the universe.

From Science Daily Apr. 4, 2026

A star running back, Reggie was banned from football 20 years earlier after he mixed up two phone numbers and called into a sports show thinking he was talking to his bookie.

From Los Angeles Times Feb. 23, 2026

A star quarterback fizzles, a new hire doesn’t work out—and so it’s back to the basics.

From Barron's Dec. 12, 2025

A star since the 1960s, he helped to bring the sound of Jamaica to a global audience through hits such as Wonderful World, Beautiful People and You Can Get It If You Really Want.

From BBC Nov. 24, 2025

A star never before seen became brighter than any star in the sky.

From "Cosmos" by Carl Sagan

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