From Wikipedia, the free encyclopedia
Ostertza, baita ere zerumuga, zeruertza edo horizontea puntu batetik ikus daitekeen lurraren gainazaleko azken lerroa da, non ikuspegian zerua eta lurra elkartzen diren.
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.
