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Planetary systems reveal two distinct families tied to their host stars

Analyzing a sample of 300 of the best-characterized planetary systems among the more than 1,000 known in the Milky Way, an international research team led by the Italian National Institute for Astrophysics (INAF) has discovered that the multiplanet systems identified so far belong to two distinct "families."

Planetary systems reveal two distinct families tied to their host stars

We haven't written up this one. Phys.org has the full story — the link below goes straight to it.

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