Evidence item

The Nature Astronomy abstract directly reports the Earth model’s at-least-75% pebble-accretion and up-to-25% Vesta-like planetesimal contributions. DIRECT_TEXT

Authenticity UNVERIFIED · extraction UNVERIFIED · independence group none (unreviewed) · created seq 15340

Source: Volatile depletion in rocky planets as a chemical fingerprint of hybrid accretion · locator {} · excerpt hash sha256:360d1b01d591d8ba9e425955d0ad72d545c1c5f71a920e68493c4f93aa9d8ef4

Using Bayesian inference, we found that bulk silicate Earth is best reproduced by ≳75% contribution from two protoplanets formed via pebble accretion, supplemented by up to ~25% material from planetesimals that are compositionally akin to the asteroid Vesta.