There's plenty of reasons to be skeptical of Elon Musk's grand vision of making humans a "multi-planetary species" by first building a metropolis on Mars, but the SpaceX founder has a knack for selling that vision with a particular poignancy.
Read more: https://www.cnet.com/news/elon-musk-updates-the-ending-of-carl-sagans-famed-pale-blue-dot/?source=Snapzu
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