Comments by "David Elliott" (@davidelliott5843) on "What Will Humanity Do If We Ever Discover Aliens?" video.

  1. More likely “our galaxy”. There will be life elsewhere in the universe but sheer distances mean we can never meet. Not to mention the temporal issue. We are here before or after they were there.
    20
  2. The point about ionising radiation is a bit simplistic. There are areas on Earth where people live normal lives despite high levels of background radiation. Ramsar in Iran sees 270 mSv. The world occupational limit is just 20 mSv
    1