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1. Oxford Dictionary

   extrasolar

   • IPA[ˌɛkstrəˈsəʊlə]

   英式

   • adj.
     found in or taking place outside the solar system
2. • 釋義

   adj.

   形容詞

   • 1. 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