MEMES on Instagram: "😭😅 An alien is a being or life form that comes from somewhere other than Earth. The term is usually used when talking about space and the possibility that life exists on other planets, moons, or galaxies. Aliens are mostly a mystery because we’ve never confirmed any real ones. Scientists search for signs of life in space using telescopes, radio signals, and space probes, and they look for planets with water, oxygen, or conditions similar to Earth."

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