A sentient soul based on a planet other than earth who is visiting earth either physically or astrally, usually in order to study it and/or to ...
beyond the earth.
(1.) A being from a world in this dimension other than Earth. (2.) Of or having to do with a world In this dimension other than Earth.
extraterrestrial being: a form of life assumed to exist outside the Earth or its atmosphere originating or located or occurring outside Earth or its atmosphere; 'is there extraterrestrial life?'
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