Stephen Hawking Says Alien Contact Could Lead To Catastrophe

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• A new pair of glasses for S. Hawking: the catastrophe is there, anyway.

• "Hawking stressed that the alien visitation on Earth would be much like when Columbus came to America, which did more harm than good to Natives."
  We were also very primitive at that time and humans have evolved morally since then. So I believe this is not a fair comparison. I think its an insult to compare an advanced being to our immoral ancestors. To assume an advanced ET being, much more advanced than we are today, would be equal to our primitive ancestors is just narrow thinking. I don't agree with Hawkins theory.

• All bulshit, aliens have visited us for thousands of years....deal with it

• Be careful what you wish for folks. You just get it.

  • "might"

• I understand what he's saying...inviting an unknown guest into your house change your house forever, and not necessarily for the better.
  We really don't know who may come to dinner.
  As far as us being so much more moral and "advanced", than the Spanish were when they took over and devastated the "Native American Cultures" they encountered, and their lust for gold, profit and making a name for themselves, I think little has changed. I think It is the "aliens", that would see us as a threat due to our aggressive, arrogant, ambitious, and yet still primitive thinking and behaviour. We are still the ameba in this part of the universe.

• @teresa : 1. a gunpowder , 2. horses, 3. battleships, 4. a flu, 5. a Catholic Church

• Well, Things can hardly be worse, the climate is going haywire, wars are ongoing, goddamned terrorists are everywhere, so YES, let them just arrive to complete the circle

• For ET to get to our Planet they would have to be technologically way more advanced than us which also means that they would have superior inteligence. Nature teaches us that a being with superior strength and intellect are more often than not a Predator who just takes what it wants. So, I would agree with Steven Hawking.

• surely he knows aliens have already visited and made/making contact.

• A superior and advanced intelligence would probably not want to mingle with us openly.
  Maybe we are the universe's Disneyland, nice to enjoy for a day or two, but wouldn't want to live there.
  And the way we are going, a smart alien would just have to wait a bit for us to destroy ourselves then walk in to mop up.