English edit

Noun edit

O star (plural O stars)

  1. (astronomy) Synonym of O-type star
    • 2012, P. S. Conti, C. de Loore, Mass Loss and Evolution of O-Type Stars, page 60:
      Vreux: I would like to ask Ann Underhill why, if there is another star by chance in the line of sight to SMC WR stars, it's an O star rather than, say, an A type?