The Life of Real Possibilities

The other day, a 17-year-old told me she didn’t think there was life beyond Earth. I mentioned the recent discovery by NASA scientists of seven potentially habitable exoplanets in a solar system just 39 light years away and suggested that astronomers will find a second Earth very soon. I also pointed out that scientists have captured evidence of flowing water on Mars. None of this mattered to her. She shrugged

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