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Panspermia (from Ancient Greek πᾶν (pan) 'all' and σπέρμα (sperma) 'seed') is the hypothesis that life exists throughout the Universe, distributed by space dust, [1] meteoroids, [2] asteroids, comets, [3] and planetoids, [4] as well as by spacecraft carrying unintended contamination by microorganisms, [5] [6] [7] known as directed ...
The panspermia theory argues that life is originated in space, in spatial ices, and continuously distributed to the planets by comets and meteorites. The soft panspermia theory stays one step behind. According to this, instead of living forms, amino acids, sugars, and the molecules required to form RNA are produced in space.
The Panspermia Theory asserts life came to Earth on meteors. Find out more about this theory and how it is still supported today.
It invokes panspermia, the sharing of life via meteorites from one planet to another, or delivery by comet. In this context, the question generally raised is whether Earth might have been seeded by early Martian life (if it existed).
The panspermia hypothesis suggests life began on Earth when the “seeds” of life, already present in the universe, arrived here from space. How did these seeds, or microbes, get here?
Abstract. This current volume is, in many ways, a 2020 update to the important 1999–2000 compendium by Sir Fred Hoyle and Professor N. Chandra Wickramasinghe's “Astronomical Origins of life: Steps towards Panspermia.”
Panspermia is the theory that life could be delivered to Earth or any other planet by being carried through space by meteorites, comets or asteroids. Panspermia addresses the way that life could be distributed across the Galaxy, not how life actually began.
Panspermia is the theory that life could have traveled between planets aboard meteoroids or comets. Is it possible that life on Earth may have originally come from...
Like any sound hypothesis, panspermia has evolved over the years, and one aspect that deserves historical attention is directed panspermia—to wit, the notion that life is deliberately seeded by technologically advanced civilizations.
Panspermia (Greek: πανσπερμία from π \(\tilde{\alpha} \)ς/π \(\tilde{\alpha} \)ν (pas/pan) “all” and σπέρμα (sperma) “seed”) is the hypothesis that “seeds” or “spores” of life can survive space travel and spread throughout the Universe.