A Biosignature Based on Modeling Panspermia and Terraformation: Identification | HackerNoon
Briefly

Using a clustering approach, we identified a total of 247 clusters of planets that potentially underwent terraformation based on their compositional similarities, with various rates of terraformed ratios.
The significant factor influencing our classification of likely terraformed planets was their spatial localization alongside the Mantel coefficient changes upon cluster removal, suggesting compositional and positional correlations.
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