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Originally posted by Blue Shift
You can haul out all the statistics about star numbers and planet numbers and how big the universe is, but sheer size does not guarantee that life will simply, naturally "come to be" other places in the universe like it did on Earth. That's because nobody has a clue about how structured, reproducing life appeared on Earth from a batch of dead chemicals.
You find a marble in a box. Don't know how it got there. How big do you need to make the box before another marble just has to be in it?
There are unique things in the universe, as big as it is. Despite all the odds, there is only one Earth. And only one moon orbiting Earth. And there is only one you, and me. Turns out the universe is full of stuff that only happened once. So it's very possible (impossible to determine how probable) that life is an odd quirk, a weird fluke, a chance combination of chemicals and events that only ever happened here on Earth and nowhere else.
And if we ever do find life like we have here on Earth somewhere else, it's still possible it only ever happened twice.
edit on 5-2-2013 by Blue Shift because: (no reason given)
Originally posted by gort51
Actually, scientist have created early primordial sludge, the basis of life on Earth, in test experiments.
Amino acids, nutrients, lightening, gases = life.
Originally posted by gort51
I also understand the majority of scientists agree that early life probably was seeded from meteorites etc, that have landed on Earth over the eons.
Originally posted by gort51
Also consider the HUGE variety of life on our planet, that is COMPLETELY Alien to Humans.
Jelly Fish...transparent water creatures living in water???, Crustaceans??? and millions of other creatures.
Any Humanoid space Alien would be more similar to us than our own Earth Cousins....
Originally posted by inj3ct0r
Of course Aliens exist.
Just because we cannot prove it does not mean that it does not exist.
If it was not proven that Gravity exists we would have thought that it does not exist.
Whether you're ok with calling bacteria or other microorganisms "aliens" is up to you, though.
edit on 5-2-2013 by inj3ct0r because: (no reason given)
Originally posted by draknoir2
Amino acids, nutrients, lightening, gases = primordial sludge, not life.
Originally posted by votan
reply to post by beautyofperil
Well then wouldn't it be simpler to win the lottery. Yet you never will win it.edit on 5-2-2013 by votan because: (no reason given)
Originally posted by SpearMint
Originally posted by draknoir2
Amino acids, nutrients, lightening, gases = primordial sludge, not life.
Do you know what amino acids are? They are the building blocks of life, they make up proteins. Stanley Miller created amino acids when he replicated the conditions of early Earth with hot water, gases and electricity. That's huge, it means that amino acids, the building blocks of life as we know if, could easily form on another planet. In fact we've found amino acids in meteorites much older than the Earth.edit on 5-2-2013 by SpearMint because: (no reason given)
Originally posted by draknoir2
Originally posted by SpearMint
Originally posted by draknoir2
Amino acids, nutrients, lightening, gases = primordial sludge, not life.
Do you know what amino acids are? They are the building blocks of life, they make up proteins. Stanley Miller created amino acids when he replicated the conditions of early Earth with hot water, gases and electricity. That's huge, it means that amino acids, the building blocks of life as we know if, could easily form on another planet. In fact we've found amino acids in meteorites much older than the Earth.edit on 5-2-2013 by SpearMint because: (no reason given)
Thank you for the lesson, though I was already aware of this.
Again, amino acids are no more life than are the base elements from which they are made. It's the next step that has yet to be taken. The Miller-Urey experiment DID NOT create life.