Evidence item

The primary Nature Astronomy study reports the Mars composition split as a Bayesian reference-model estimate with stated uncertainties. DIRECT_TEXT

Authenticity UNVERIFIED · extraction UNVERIFIED · independence group none (unreviewed) · created seq 15672

Source: Volatile depletion in rocky planets as a chemical fingerprint of hybrid accretion · locator {} · excerpt hash sha256:17051b47a22bc709be7816ff121d8905b9a6321d2ecb8fc86441f20ed4a31f99

In comparison, bulk silicate Mars reflects 27 ± 5% pebble-accreted material and 73 ± 5% Vesta-like planetesimals. ... For Mars, our reference model, based on Bayesian inference, consists of 27 ± 5% by mass via pebble accretion and 73 ± 5% by mass from planetesimals with a Vesta-like composition.