Dark Red Spot Found on Kuiper Belt Object Haumae

May not be.

We still try to model life based on biochemical reactions we know.

More than that, and over and above whats been found, life could exist without the need for a biological and / or physical form.

We do not know the unknown, but unfortunately, we do not seem to speculate about life above and beyond the biological systems we know of.

redshadow, I agree but organic precursors do seem to be a possibility. I am somewhat curious about viruses, and if there are any that arive from space, what process leads to the emergence of a virus? Could one form on Jupiter? I suspect that the full process that led to the emergence of live on earth could not have taken place if the earth had always been warm and wet, life seems to need more than a perfect environment to continue to evolve. Let me what you think about this?

This must be a divided question. Life as we know it almost certainly could not exist there, it just could not start under those conditions. Life based on other building blocks is of couirse possible but if so we may not even recognize it.

I agree.

I think, every kind of (at least) biological life form will need to evolve. I assume that evolution (or change, for that matter) is some how a natural law like the laws of gravity etc.

And evolution will need changes in environment, to take effect.

Though all this is assumption (like, that life needs to have biological form), I guess, in our environment and physical universe we know of, its applicable.

Its very possible that life may have arrived as a virus from Jupiter or as some strands of long chain chemicals from some other celestial body.

May be, the Earth was deliberately seeded by other life forms.

This is a bit out there but, probably better viewed as science fiction, one day I was trying to imagine a planet where life took a more direct path to intelligence, perhaps like a layer of interconnected slime that just sat there forever thinking. Obviously not very likely, perhaps some old Star Trek, put that thought in my head. I believe that we will find the mechanism that caused organic chemistry to transition from a simple chemical reaction to life, on the moons of one of the gas giants.

I think, the possibilities are many, far beyond our imagination.

So let our imaginations run wild, you never know, some of them may turn out to be true.

Science fiction of yester years is science and technology of today.

Or, more likely, from the inner stars, clusters (we are way out on th edge of the Milky Way) and then bulk seeded by some process further out and some caught out here, most either died or went further out but some also reached earth very very long ago

Or, more likely, from the inner stars, clusters (we are way out on th edge of the Milky Way) and then bulk seeded by some process further out and some caught out here, most either died or went further out but some also reached earth very very long ago

:-)

Very likely a possibility.

Even humans have a plan to carry out terraforming of planets, by introducing green blue algae into their atmospheres.

Could be, that we are also result of an experiment like this.

And we are already looking for non-standard biochemical life processes on Earth. Its possible that such processes may be wide spread across the universe, rather, we could be a strange biochemical life process, different from the standard of the universe.

The Search for Life on Earth

"One of the founding assumptions of astrobiology is that life is easy to form, and is therefore widespread in the universe," says cosmologist Paul Davies. "But this is a completely untested assumption; it's merely a fashion. If it's true, we would expect life to have emerged many times on Earth, not just once." It's possible, he says, that evidence of a second genesis of life may be all around us, waiting to be discovered.