411 REFERENCE · Wiktionary
Hertzsprung
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Proper noun
en Danish.
Derived terms
en Hertzsprung-Russell diagram
411 REFERENCE · Wiktionary
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.