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I didnt even read the link, because the statement you quoted is ridiculous. We are not yet sure whether other planets in our system have life or not, because we havent tested for it, so his statement is just purely stupid because we dont know if the other worlds are lifeless or not yet.Here's the reason why I'm asking you to explain your statement regarding mathematics.
This was an open letter to other scientists, written by James Tour, a nobel prizer:
Beyond our planet, all the others that have been probed are lifeless, a result in accord with our chemical expectations.
The laws of physics and chemistry’s Periodic Table are universal, suggesting that life based upon amino acids, nucleotides, saccharides and lipids is an anomaly.
Life should not exist anywhere in our universe. Life should not even exist on the surface of the earth.17
An Open Letter to My Colleagues | James Tour | Inference
James Tour challenges his fellow chemists to admit that the complexity of a cell, or even of its lipid bilayer, is beyond man’s ability to duplicate, even with all of nature’s building blocks at his disposal.inference-review.com
What exactly is your point?"Our analysis suggests there are more microbial species on Earth than there are stars in our galaxy," Lennon told John Ross at The Australian.
The Largest Study of Life Forms Ever Has Estimated That Earth Is Home to 1 TRILLION Species
The largest scientific study of its kind estimates that Earth could play host to more than 1 trillion different species, which means we've probably only identified a vanishingly small proportion of them – only about one-thousandth of 1 percent.www.sciencealert.com
That's only microbial species. What about non-microscopic species?
Furthermore, there must be tons of species that have already gone extinct, even before they got discovered.
From this I estimate there are a million species of bacteria in 30 grams of rich forest topsoil and propose that there will be at least a billion species worldwide.
Bacteria are a major component of the cellular life on Earth and are found everywhere from the top of mountains in Antarctica to the deep-sea vents.
They are found in the deep subsoil, the open ocean and all over every surface of you. The refrain for undergraduates is that only about 10 percent of the cells moving with you are eukaryotic, the rest bacterial symbiotes.
If correct, this estimate means that 99.9 percent of species remain unnamed and undiscovered.
In the Proceedings of the National Academy of Sciences, professor Jay Lennon and postdoctoral fellow Kenneth Locey write that their work highlights how much diversity still remains to be described.
Scientists Posit There Are a Trillion Earth Species, Darwin Got Some Stuff Wrong
Sometimes great minds trip on simple questions.www.inverse.com
At this stage we dont know, but if all the basic elements that constitute life on Earth are present in these other worlds, then its entirely possible that similar life like ours would surely exist, because all the building blocks are there.If by "similar to ours" you mean "has life," then I disagree. It's not logical to assume that an event happened somewhere else when we have no idea what caused that even or the likelihood of it occurring even under identical conditions.
Its like winning the lottery. Even if its a billion to one odds, the math spells it out that there would be a planet with characteristics similar to ours out there.