Definition of extrasolar in English:

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Pronunciation: /ˌekstrəˈsōlər/


Found in or taking place outside the solar system: at just 30 light years from Earth, it’s one of the closest known extrasolar planets many sci-fi authors have assumed that faster-than-light travel and/or extrasolar exploration would become possible in the future
More example sentences
  • The creation interpretation affects our understanding of the origin of our solar system and of extrasolar planets.
  • The first definitive extrasolar planet around a main sequence star was announced on 6 October 1995 by Michel Mayor and Didier Queloz; the star was 51 Pegasi.
  • Nevertheless, this unique observing technique opens a new phase in the exploration of exoplanets, or extrasolar planets, say astronomers.


1950s: from extra- + solar1.

For editors and proofreaders

Syllabification: ex·tra·so·lar

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