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originally posted by: OccamsRazor04
originally posted by: tanka418
Fair enough. But, understand, that life appears to have "popped up" on Earth about as soon as Earth had liquid water.
Actually the 2 estimates are 3.5 billion years for life and 4.6 billion years for water. About 4 billion years after water intelligent life. I don't know about you, but for me that does not seem to mesh with your statement.
originally posted by: tanka418
originally posted by: OccamsRazor04
originally posted by: tanka418
Fair enough. But, understand, that life appears to have "popped up" on Earth about as soon as Earth had liquid water.
Actually the 2 estimates are 3.5 billion years for life and 4.6 billion years for water. About 4 billion years after water intelligent life. I don't know about you, but for me that does not seem to mesh with your statement.
You're right, doesn't seem to mesh well; you should check your sources.
I have an Earth that is mostly molten rock for almost the first billion years. Then solid ground and water, life...which destroyed itself around 2.5 billion years ago. Replaced by another "kind" of life which remained simple until about 500 million years ago.
Course then theories do vary...
However, we do have a little bit of rock that is 4,400,000,000 years old, found on the continent of Australia. This rock shows evidence that the surface of the Earth was solid and cool when this rock solidified, just 600,000,000 years after the Earth was formed!
There was even liquid water present where this rock solidified!
So as far back as we have geological evidence of what the Earth was like, there was liquid water present.
Liquid Water At Earth's Surface 4.3 Billion Years Ago, Scientists Discover
originally posted by: UniFinity
it's not, but it is common sense for me....
if you are an atheist with a belief in coincidences and chances then surly you don't think that we are a miracle, only one in the universe?
If you are not an atheist, then this should be even clearer...
And we have even found water on other planets or moons which is a basic for life and all it takes is just another step to life, and then another to intelligent, self-aware life and then another to have them develop...is it really far fetched to think that way? I don't think so...
as for proof. Well I tend to think that if even one case is true, it's enough. And can you honestly say that every UFO or alien or abduction related case is false among thousands of them?
I believe in the people and their honesty and I think that not all of them lie or have a hidden agenda, other then to only share the truth about what they witnessed.
originally posted by: amazing
originally posted by: uncommitted
originally posted by: amazing
Great thread. Well said. You put it much better than I usually do.
Mathematically, it would seem probable that there are billions of planets with life on them and Mathematically it would seem probably that millions of those planets would have evolved life. It would also appear mathematically probable, that of those millions of planets with evolved life on them thousands would have had a head start on us and it would then also appear probably that hundreds of those could have avoided catastrophe and have civilizations millions or billions of years old.
This would then lead us to speculate that it is highly likely that these advanced civilizations with their technology millions/billions of years ahead of us could know we are here have sent robotic craft out for centuries if not millennia and have telescopes and other technology that would appear as magic to us. They could see and go anywhere given enough time.
Hypothetically it's highly possible that these advanced civilizations have come to earth or at least know of our existence.
Fascinating!
I always find this argument quite compelling, but is it really? Crocodiles, Aligators, hey even cockroaches have had a head start of millions of years, and have arguably advanced to the level they need to - don't see much evidence of them launching a space program. I know that may sound facetious, but we assume intelligence on any other planet would have the same aspirations as the human race does - that to me messes up the logic of where people use the Drake equation and then postulate further.
That's a good point.
I guess the next logical argument to have is: Would every planet that has harbored life for millions of years have a dominant species? Or would every planet with similar climate, gravity and atmosphere....produce bipeds or super large species? Endless questions I suppose.
originally posted by: Legman
a reply to: Emerys
Take your argument in reverse....
There 5*1022 inhabitable planets. In billions of years available for an alien species to develop evolve and create new travel technologies we have seen zero proof.
Therefore I conclude earth is the exception to the rule that there is no life in the universe.
Bad Proofs are easy without math and evidence huh?
originally posted by: ACENOFACE
a reply to: Emerys
I could base an argument just on Biblical fact alone.The Bible clearly states that when God came from somewhere else he came into this area of space and it was without form or structure, he created all that we see and then placed us here if we are apart of GOD then we also came from somewhere else so basically every time that you look in the mirror you're looking at an alien.