411 REFERENCE · Wiktionary
O star
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Noun
en astronomy en O-type star.
en 2012 P. S. Conti; C. de Loore Mass Loss and Evolution of O-Type Stars 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?