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+--- Thread: A new Why Files Panspermia (/showthread.php?tid=1757)
A new Why Files Panspermia - 727Sky - 02-02-2024
Skip to the 3:10 mark and miss the Ad:
I personally feel there is much truth in Panspermia as our sensors and telescopes have detected all the building blocks of life in the universe where ever they are pointed to look. youtu.be...
RE: A new Why Files Panspermia - Ninurta - 02-02-2024
Panspermia is an interesting theory, but for folks searching for the origins of life, it really doesn't explain anything.
Back in the Dark Ages, when I was an over-aged university student, I took a course titled "the Origins and Evolution of Life". It was under the biology curriculum, but was team-taught by a biologist and a physicist. It covered a lot of topics, such as "punctuated equilibrium" and the Cambrian explosion. Other things studied in the course included a fascinating theory that life originated in clay, and came about because organic molecules adhering to the clays randomly organized themselves according to the crystalline structures in the clay, then some magic happened, and POOF! life. Not much difference from Creationism (God happened, and POOF! life) or the Big Bang theory (again, magic happened, and POOF! a universe). Science does that a loot - to avoid blaming a god for anything, they just replace deities with "magic" and "POOF!"
Anyhow, Panspermia was also touched upon in that course... but as it turns out, it doesn't really explain anything relating to either the origins or the evolution of life. All it does is kick the can down the road. What it effectively says is "since we don't know how life originated, we're just going to say it started elsewhere and was delivered here, and hope no one notices that spontaneous generation of life elsewhere is just as problematic as the spontaneous generation of life right here. - we're just moving the locality of creation."
While it's true that the biological building blocks of life and amino acids are seeded all through space, so far no one in the scientific field has come up with a plausible theory as to how those molecules cane to organize themselves and spark off a life. It's one thing to have a fistful of molecules, and something else altogether to have a fistful of molecules biologically organized and able to self-replicate other organisms of it's own kind, which is a generally accepted definition of "life", or at least it was back then.
One problem with randomly-seeded life during the late bombardment period mentioned in the video is that most all of those bombarding asteroids were from the same soup that created the Earth, so it's no more likely to claim life came from them than to say it just spontaneously generated itself right here. They all came out of the same molecular cloud at the same time.
That does not mean, however, that a single meteoroid could not have traveled through space for millions or billions of years bearing life seeds, and gotten mixed into the fray that was the late bombardment period. I reckon that's a possibility, and it only takes one landing and dispersing a few bacteria to, over time, seed the whole planet with them as they reproduce. It does mean, however, that said bacteria would have to somehow be able to survive millions or billions of years traveling through space, and even then they would have also had to have had an origin... somewhere.
That brings us to the supposed age of the universe - current theory places the age of the universe since the Big Bang postulated event at 13.8 billion years. The solar system is 4.7 billion years old, meaning that it's around 1/3 as old as the entire universe. so, life would have to had originated and developed elsewhere, then spent at least a few millions of years traveling after some disaster at it's origin point ejected it into space, in order to get here. Given that all of the more complex molecules originated in the centers of early stars, and were not dispersed until they had time to age and explode, that puts even further time constraints on the event. ALL elements heavier than hydrogen had to wait for that first generation of stars to start exploding before they could be dispersed, and even have a hope of organizing into more complex molecules, which also took some time.
Most theories of the origin of life say that the sun was among the earliest generations of stars capable - having a sufficient concentration of "metallic" elements ("metallic" elements are all elements heavier that hydrogen) - to give rise to life. So, if that is the case, how could life have originated elsewhere in time to have been send here to seed life on Earth?
So, panspermia, in addition to kicking the can down the road, would appear to raise more questions than it answers.
.
RE: A new Why Files Panspermia - Schmoe - 02-03-2024
Yup, agreed with @"Ninurta"#2
Thinking about this stuff puts me in a weird head-space, where I eventually just wonder, why does anything at all exist? I even get a little lightheaded thinking about it, overwhelmed, almost.
We exist in a reality, that nobody has a damn clue about the origin of.
There was an interesting thread on ATS (I know, rare these days) about whether we're the product of being on the other side of a black hole. I've heard of proposed white holes too. If you're ignorant like me, that's another thing that's interesting to think about. Maybe black holes distort space-time so much that it opens a worm hole, which I believe Einstein believed theoretically possible. I've heard of singularities being described as infinitely dense, and if the universe as we know it is constantly expanding, maybe it's because matter and dark matter are constantly being sucked in by the black hole we got ejected out of.
Or maybe I need to lay of the weed.
RE: A new Why Files Panspermia - Bally002 - 02-04-2024
(02-02-2024, 07:23 AM)727Sky Wrote: Skip to the 3:10 mark and miss the Ad:
I personally feel there is much truth in Panspermia as our sensors and telescopes have detected all the building blocks of life in the universe where ever they are pointed to look. youtu.be...
Cheers Sky,
Reminds me of this short story I wrote in ATS short stories years ago. Little lengthy. 'oo' in 'Splook' pronounced as in 'Boot'. (sound a golf ball makes when chipped into the water) Hope you enjoy the read.
The origins of 'SPLOOK'
SplookThe Splook’s planet or world is perhaps 95 percent covered in liquid and apart from a small land mass near the world’s equator there are several floating islands formed from growth of the small continent.
In an aspect for readers of this story this liquid world owns a mass of about 1.1 of Earth and exists in a habitable zone of a large red star. The orbit carries the planet around the star either at or about 10. 5 years. The world spins, 2 times earths rotation in our 24 hours on an axis of 28 degrees relating to the position of the mother star. The poles, although icy apexes, are not that noticeable normally due to warm currents generated from the rotation and the liquid iron core. The core itself is large and this may attribute to the warmth of the planet hence the tiny continent surrounds a large volcano exhausting various gases into an atmosphere containing comparable amounts of oxygen, nitrogen, helium among others.
The exhaust from this singular volcanic vent provides cloud and ash cover along a planetary east to west direction for several thousand kilometres in length and about three to four thousand across the northern and southern aspect. The cover is often broken due to the relative activity the Splook’s world. It occurs nine times annually with regards to the rotating moons of which Splook’s planet, has of course, three. The simple moons, all comprising of a basic iron composition, range in size from 10 percent, 28 percent and the largest being a massive 52 percent of planet Splook’s size. All follow the worlds rotation at varying distances on a similar plane and provide spectacular daily and nightly visions for the Splook and it’s descendants whether they are liquid living or land based.
Let us now talk about the “Splook”
Splook was initially a massive rogue tyrant. About 5000 billion times it’s final size. Captured by it’s current system some 400 billion years ago as it grazed the home star. The star, at the time, was busily rounding up gas planets of irregular sizes. Splook, was traveling at a speed at that time, which enabled, upon impact with with it’s mother star, to fracture. Smaller particles were taken by the star. Splook was caught. Reduced in size, it was flung by the big star, shooting around 180 degrees and breaking up eventually reduced to a singular smaller rocky object about the size of Neptune.
At speed the Splook traveled to the outer reaches of this prime solar system before finally succumbing to the gripping pull back towards the mother star. Again, this nature repeated itself over the billions of years. Surely, upon every rendezvous with that star Splook was eroded but not entirely without loss. Splook observed the planets and gas giants forming within the sphere of the new but aging solar system. Several times the Splook entered the environs of the various sized balls as they constructed their unique personalities. There were gases, ice, liquids and many other elements collected by the Splook on it’s patrol. There was even action, colliding with large moons, asteroids and chunks of drifting rock before burning away it’s wins when, again, it cut a scar across the star.
During Splook’s lengthy finite progress through it’s home solar system the massive rock was transformed into a pebble of it’s original size. Moon size perhaps. On the final run around the big star Splook endured pressures that took a massive percentage of it’s outer crust then burning the interior, reducing the once proud giant to nothing more than a large boulder.
The old Splook exited fast and furious from this encounter. Totally unrecognizable and out of shape. Tumbling. Across a different path in this solar system, Splook engaged with a small planet, colliding indirectly with that planet’s smaller moon of the three. Splook was spent. Shattering into tiny fragments as it skipped across the moons surface. Almost all fell to the low gravitational effect of the tiny moon but the largest, about the size of a small automobile engine escaped this small moons effect.
A final trajectory of the Splook away from the moon put the piece on a path towards the planet that controlled the three moons’ orbits. Splook pierced the planet’s atmosphere, igniting, suffering and dissolving. Lighter now, a singular stone remained and fell. If Splook could see, at first the stone would perceive a layer of cloud then darkness as it speared through the dusty layer before breaking through into a twilight. Grey, white capped seas rushed towards Splook. It appeared the stone would plummet directly into this ocean but the angle of entry saw the piece rapidly approach land, earth or that first continent. As the stone, now about the size of a golf ball, hit the water about 50 feet from the land a new sound unknown to the planet resonated. “SPLOOK”
The stone sank in water less than 3 feet deep. It impacted the silty bottom and was lightly covered by the undersea soil.
The planet’s tepid water commenced to react to the alien.
Splook remained submerged until eventually re emerging after millions of years. Not suffocating but partaking of the planet’s cycles during it’s incarceration. Like pimple ejecta the planet’s reaction caused Splook to change and adjust. The adaption was quick. Faster than the journeys through space. During one period, when the clouds and dust in the atmosphere disappeared Splook suffered from the increase in temperature. A pop and fizz occasioned within a nano second and this tiny altercation ensured the release of ancient enzymes gathered from the very fringes from the solar system and beyond.
Simply, life, albeit alien to the planet, emerged.
Now, where did this leave Splook? Well Splook took on a consciousness which expanded with each new entity that evolved on the land and in the massive ocean. Not altogether happy with the circumstances the Splook embarked on the task to create an intelligence that would enable it’s desire to return to the outer reaches of the solar system and eventually the stars. The Splook wanted to renew and share it’s experiences.
The End
“SPL
The End
Spl