''Extraterrestrial'' means "[[extrasolar planets|outside or beyond the earth]]."<ref>[http://dictionary.reference.com/search?q=+Extraterrestrial Dictionary entry for extraterrestrial]</ref>
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''Extraterrestrial'' means "outside or beyond the earth." This may or may not include other planets, whether in our [[solar system]] or [[extrasolar planets|out of it]].<ref>[http://dictionary.reference.com/search?q=+Extraterrestrial Dictionary entry for extraterrestrial]</ref>
''Life'' means living things, regardless of size, appetite, or condition of sentience.
''Life'' means living things, regardless of size, appetite, or condition of sentience.