Hey X or havok, you have prob already seen it but if not, check out this awesome interactive article that BBC news posted a few months ago:
- will need flash support to use it.
It's based on the Drake equation, so it has some scientific weight behind it.
I like it because you can play around with different variables which all lead to a final % that speculates the odds of life elsewhere in the universe.
It's crazy how even when you set everything to be the most pessimistic setting possible, you still end up with thousands of intelligent civilisations in our galaxy alone.
Then play around with a few 'seemingly meaningless' variables and that number suddenly booms to millions, and hundreds of millions.
From the most optimistic (imo) result I ever entered, I had an outcome of 3.6e+19 intelligent civilisations it the known universe.
I have seen the drake equation before, this is quite interesting to say the least though, even with the lowest settings possible you're still looking at 150k civilizations in the 'known' universe.
Also with some of the newer theories around, stating that the universe is expanding (<-- we should all know this), but is expanding at such an incredible rate, some scientists are saying that it's expanding faster than the speed of light, which would mean there are parts of the universe past the 14.2 billion year mark that we cannot see, nor will we ever see it. Which means quite possibly that the universe is infinitely big, therefor has infinite possibilities.
This is where you get into parallel universes and shi* so I won't get into it.
I agree but with the assumption that the universe/multiverse is bigger than anyone can imagine, the probability that life exists on neighboring planets in the same solar system is minuscule.
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I don't fully agree with this, the probability of having life within the same solar system, while it may not be a huge probability, it's still there.
If you look at Europa, which is one of Jupiters moons, the tidal forces that are acting on the moon from the massive gravitational pull from Jupiter, in theory, has warmed the core of the moon so dramatically that while the moon may be covered in ice and be extremely cold, underneath the icy crust there may very well be reasonably warm oceans for life to develop. And as most know, life starts with water.
Now is it intelligent life? No probably not, but life none the less.
Even under phenomenally extreme environments we know that life exists, in some parts of our oceans for example. Life will always adapt no matter how hard the conditions, so maybe it has on other planets. It just seems so ridiculous to us because we're used to warm sunny skies and beautiful oceans and stuff like that. To us it doesn't seem possible, but I'm sure it is.