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, Georgian Free University of Tbilisi astrophysicist Z.N. Osmanov offers a fresh look at an established theory: that life on Earth, and potentially elsewhere in the cosmos, is the result of the same sort of tiny particles that create stars and planets.
If that's true, as Osmanov claims, there may be more planets containing this life-breathing star stuff than we could possibly imagine.Known as "panspermia," the concept denotes — as the "sperm" in its name suggests — that the seeds of life can make their way between worlds, perhaps on asteroids or comets.
To be clear, the astrophysicist is not arguing that there are an infinite number of planets where life actually exists. Rather, there could be an exponential number of worlds that couldsupport so-called "primitive" life, or the kinds of single-celled organisms that led to more complex creatures here on Earth.
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