Did Ocean-Filled Comets Carry the Seeds of Life to Earth?

Critics of exogenesis note that the right conditions to uphold aliveness are rare in the existence , and would not in all likelihood subsist the trip inside Earth ’s atmosphere . But newfangled data on comets proffer evidence that our ancestors were , indeed , extraterrestrial .

In a composition published in the International Journal of Astrobiology , Chandra Wickramasingheof the Cardiff Centre for Astrobiology — one of the earliest proponents of the hypothesis of panspermia , that the come of life exist throughout the universe — bring out his team ’s calculation , which indicate that large reserves of water belike exist inside comet in our solar system , that happened to form around the same time as the Earth :

The Cardiff team has calculated the thermal story of comets after they make from interstellar and interplanetary rubble or so 4.5 billion years ago . The geological formation of the solar arrangement itself is thought to have been trigger off by shock absorber wafture that emanated from the blowup of a nearby supernova . The supernova injected radioactive textile such as Aluminium-26 into the primal solar system and some became incorporated in the comets . Professor Chandra Wickramasinghe together with Drs Janaki Wickramasinghe and Max Wallis lay claim that the heat utter from radiation warms ab initio wintry material of comet to produce subsurface oceans that persist in a smooth condition for a million years .

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Wickramasinghe claims that a “ bombastic fraction ” of the 100 billion comets in our solar organisation credibly contained liquid Interior , with ideal condition for the growth of bacteria , which perhaps lends great acceptance to Wickramsinghe ’s theory on the extraterrestrial origins of life .

[ Universe Today ]

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