Planetary genealogy: Milky Way worlds belong to 1 of 2 ‘families,’ scientists find
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You can tell a lot about how a child will age by looking at their parents, and it turns out that this could be true for planetary systems, too. Scientists have performed cosmic genealogy on planetary systems in the Milky Way, finding two distinct families that influence the evolution and fate of these systems. The study team, led by researchers at the Italian National Institute for Astrophysics (INAF), studied 300 of the best-understood multiplanet systems of the over 1,000 that astronomers have
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