Nice post, but there are a few things to discuss there.It's an anomaly. Life on earth, I mean. Who disagrees with this?
We don't know that. We haven't found extraterrestrial life yet, but we've also just begun in that search. SETI is only looking for technologically advanced civilizations.It's uncommon in our surrounding and known universe.
Infinite isn't the right word here. But yes, it is believed that wherever life can form, it will, just like every time an ice cube can melt, it will. This is different from the original way abiogenesis was conceived, which was as a lucky coincidence involving a fortuitous lightning strike.Most I've read, suggest life just happened due to the required conditions being met within an infinite period of time, how-ever long it took for life to form from the chaos.
On what basis do you make that judgment. There are several candidate moons in our solar system for life. There's good reason to believe that life formed on Mars. Why? Because it once had oceans, an atmosphere, and a protective magnetic fieldHow rare the conditions able to foster and nurture life are in our known universe? I would suggest extremely.
About 13.7 - 4.5 = about 9.2 billion years before there was an earth. The oldest know life lived about 3.7 billion years ago, which is only 800,000 years after the earth formed, the first 500,000 or so of which had earth too hot and too dry for life.how many billions of years passed before life began on earth after the accepted beginning of our universe?
There's an interesting argument that earth's first life began on Mars and was kicked to earth following a meteoric impact on Mars. Why? Mars being further from the sun and smaller than earth cooled first. Abiogenesis could proceed there before it could on earth. And 300,000 years feels like a relatively brief time for abiogenesis to occur. Mars had longer to do it, since its crust cooled and hardened first. If the first life on earth was Martian, we wouldn't expect abiogenesis to occur on earth. The process seems to require that there not be living things already present (a prebiotic environment), which is probably why all life has the same genetic code.
@YoursTrue - this is what conjecture and speculation looks like. And you'll notice that I made no assertion that this idea is correct, merely possible, or at least not known to be impossible.
One more digression: Have you ever noticed that there are two slightly different definitions of possible? Some things we know can happen, like the meteor impact I just described. That's the stronger definition of possible. The weaker one includes things that actually are impossible but not yet known to be.
Maybe travel back in time can be done, and maybe it can't. We don't know. We call it possible because it is not known to be impossible, but perhaps it is and we will someday know that.
Abiogenesis itself is more like the latter. We call it possible because we don't know that it's impossible, but if the creationists are correct, perhaps it is.