If they have the technology to get to Earth, I think they are probably smarter than us.
And there’s the rub, they haven’t gotten to earth, no one has seen these aliens with their space travel technology. It’s the imagination of a senile old man whose mind is failing.
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So a bunch of not too bright alien tourists are on a space cruise from their home planet in a galaxy far far away.
They get drunk on the day trip to Mars and miss their ride home.
So they rock up on Earth looking for help and get mistaken for gods.
Carbon based lifeforms are what we know, because that is what we are/evolved from. In my opinion, it would be small minded to assume that alien lifeforms need the specific conditions that gave rise to us, to form life of their own. I'm not talking about Si based lifeforms, but something fundamentally different, something that neither lifeform might be able to recognize the existence of the other.
There is theory out there about biology not based on carbon, like your aforementioned silicone based forms, but it is wildly theoretical and we have no evidence such things actually exist anywhere.
While we are supposing, we can only operate with the science we know, anything else is just smoking dank and staring at lava lamps.
One must always be willing to analyze new data, but one must never forget that all of existence is nothing but math and nothing exists until it is proven to exist.
One thing I've heard is they've converted to energy. Which has no mass and that's how they're able to do those insane 90-degree turns at hyper speeds.
The observable universe, i.e. the edge of the universe that we can identify in any meaningful way is 46.5 BILLION light years in every direction from Earth.
Wait - where does that number come from? Everything I've seen seems to agree that the universe is about 13.8 billion years old. To identify the "edge of the universe" as being 46.5 billion light years away implies that we are seeing light from that edge, which means the light has been traveling for 3 times as long as the universe has been around. What am I missing?
How did GAJ beat Budgie in posting this thread?
Budgie, you're slowing down, man. :laughing
I'm sorry, who converted to energy and is doing what?
Define real?