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Do aliens exist? If they did, would we know?

  • Category business
  • Definition HD
  • Resolution 1280 x 720
  • Duration 00:09:46
  • Year 2019
  • Language English

Do aliens exist? If they did, would we know?

One of the biggest questions is whether we are alone in the universe — could there be other intelligent life, besides us, out there? Currently, we don't have any evidence aliens exist. There may have been a chance for a civilization to start billions of years before life began on Earth — one that is far more advanced, technologically speaking, than us. However, they're not making it very obvious. We have no proof of this. If such an advanced civilization exists, though, it probably relies on solar energy to fuels its everyday activities.

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