Category:Origins of Life

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Genesis...

Biogenesis...


Origins ....



'Life finds a way', the 'tiny little ones', microrganisms, spores/fungi... traveling thru space and 'seeding'


Oh, perhaps 'panspermia' ...

Panspermia (from Ancient Greek πᾶν (pan), meaning 'all', and σπέρμα (sperma), meaning 'seed') is the hypothesis that life exists throughout the Universe, distributed by space dust, meteoroids, asteroids, comets, planetoids, and also by spacecraft carrying unintended contamination by microorganisms. Distribution may have occurred spanning galaxies, and so may not be restricted to the limited scale of solar systems.

Panspermia hypotheses propose (for example) that microscopic life-forms that can survive the effects of space (such as extremophiles) can become trapped in debris ejected into space after collisions between planets and small Solar System bodies that harbor life. Some organisms may travel dormant for an extended amount of time before colliding randomly with other planets or intermingling with protoplanetary disks. Under certain ideal impact circumstances (into a body of water, for example), and ideal conditions on a new planet's surfaces, it is possible that the surviving organisms could become active and begin to colonize their new environment. At least one report finds that endospores from a type of Bacillus bacteria found in Morocco can survive being heated to 420 °C (788 °F), making the argument for panspermia even stronger. Panspermia studies concentrate not on how life began, but on methods that may distribute it in the Universe...


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On One Strange Rock

Season One, Episode 4 -- Genesis


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Talk About Life


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Life Origins? What Is Life? What Is To Be Alive?


We Are Created from Stars



 

Hubble peers out to the beginnings of the universe...


Subcategories

This category has the following 3 subcategories, out of 3 total.

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E

Pages in category "Origins of Life"

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Media in category "Origins of Life"

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