It may not take an asteroid strike to transport life from one planet to another. Fast-moving dust could theoretically knock microbes floating high up in a world's atmosphere out into space, potentially sending the bugs on a trip to another planet — perhaps even one orbiting a different star, according to a new study. "The proposition that space-dust collisions could propel organisms over enormous distances between planets raises some exciting prospects of how life and the atmospheres of planets originated," study author Arjun Berera, a professor in the School of Physics and Astronomy...
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https://www.space.com/38846-space-dust-panspermia-alien-life.html?source=Snapzu
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