Barnard's Star

noun

Bar·​nard's Star ˈbär-nərdz- How to pronounce Barnard's Star (audio)
astronomy
: a red dwarf star of the ninth magnitude that is located approximately six light years away in the constellation of Ophiuchus
Such is the case with Barnard's Star. It is the fourth closest star to Earth at only 36 trillion miles away, yet you'll need a telescope to see it.Tom Burns, Columbus (Ohio) Dispatch, 16 July 1995

Note: Barnard's Star is notable because it is one of the closest stars to the Sun. Only the Alpha Centauri system is closer.

Word History

Etymology

after Edward Emerson Barnard †1923 American astronomer

Note: Barnard drew attention to the star, previously recorded on photographic plates, because of its unusually large proper motion; see "A Small Star with Large Proper Motion," Popular Astronomy, vol. 24 (1916), pp. 504-08 (article dated by the author July 25, 1916).

First Known Use

1916, in the meaning defined above

Time Traveler
The first known use of Barnard's Star was in 1916

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near Barnard's Star

Cite this Entry

“Barnard's Star.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Barnard%27s%20Star. Accessed 25 Apr. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!