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Planetary Formation

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Earth Formed Entirely from Inner Solar System Material, Study Finds

The Nature Astronomy analysis uses ten isotope records to argue that outer‑system input was negligible.

New Experiments Suggest Earth’s Core Holds Nine to 45 Oceans’ Worth of Hydrogen

Early Jupiter Shaped the Inner Solar System, Study Finds

Study Ties Earth’s Early Crust Changes to Milky Way Spiral-Arm Passages

Simulations Point to Carbon as Trigger for Earth’s Inner-Core Formation

Seismic Reanalysis Finds Mars’ Mantle Packed With Ancient Impact Debris

Earth’s Oldest Intact Rocks Confirmed at 4.16 Billion Years in Quebec

Volcanic Lavas Reveal Gold and Precious Metals Leaking From Earth’s Core

Study Confirms Earth's Core Leaks Gold and Precious Metals Into Mantle