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A Statistical Analysis of Exoplanet Habitability Turns Up One Great Candidate - And Significant Observational Bias


The search for life beyond our planet continues, and one of the most underappreciated tools in an astrobiologists' toolkit is statistics. While it might not be as glamorous as directly imaging a planet’s atmosphere or finding a system with seven planets in it, statistics is absolutely critical if we want to be sure that what we’re seeing is real and not just an artifact of the data, or of our observational techniques themselves. A new paper by Caleb Traxler and their co-authors at the Department of Information and Computer Science at UC Irvine takes on that challenge head-on by statistically analyzing a set of about 10% of the total number of exoplanets found and judging their habitability.

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