copernicanprinciple
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Exoplanet census suggests Earth really is special
There are an estimated 700 million trillion terrestrial planets in the observable universe. Among them, Earth may very well be one of a kind according to a new study from Uppsala University in Sweden. Astronomer Erik Zackrisson and his team have been running computer simulations to model all of the terrestrial planets that are likely to exist in the universe. The probabilistic exoplanetary statistics that they've gleaned from these simulations could potentially upend the Copernican principle and will soon be published in The Astrophysical Journal (it's currently up on arXiv).
