What convincing concepts of panspermia are there today?

What convincing concepts of panspermia are there today?

Elucidating the Agenda of James Tour: A Defense of Abiogenesis

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answers (2)

Answer 1
July, 2021

There is a theory put forward by Wickramasingh Karl Gibson and Rudolph Shield - in the gaseous era of the existence of the Universe, the two most planetoids began to form. By the time the temperature of the Universe fell below the melting point of hydrogen, they have picked up in abundance various chemical elements that appeared after the explosion of stars. Thus, they already had a metal core, a silicate mantle, a shell of water ice, and a hydrogen crust. Most of the water to this day has remained in a liquid state, supported by the heat from the decay of uranium and thorium in the cores. During gravitational disturbances, these planetoids are thrown out of their habitat, i.e. beyond the galaxy's halo, and begin to travel across its disk. During the journey, it can pick up with it microorganisms that have entered space when a meteorite knocks out the substance of a planet and survived there. Considering the fact that water has been preserved on most planetoids in liquid species, they can become an excellent temporary home and vehicle for a microorganism or a fragment of its genome

Answer 2
July, 2021

Common sense and mathematics say that in order for the self-reproduction of matter, that is, DNA, to accidentally form, all the events that have occurred since the Big Bang are not enough. Just a living organism - please - with a set of chemistry and temperature - matter quickly self-organizes. But - self-reproduction is unthinkable. Therefore, you need to take care of Life - a warm film, etched away by the reagents of the whole cosmos, all the elastic strength of which consists in the cohesion of outstretched hands, grasping fingers, in the kinship of souls. Life, which is so simply threatened to be killed by "Kiselev's radioactive ash" and "put on alert by nuclear forces" ... The very question of the existence of life in the universe, in my opinion, in its meaning is equal to the question of the existence of matter: it is also inexplicable (for now) .

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