The solid curve represents the average dissolved oceanic Ni concentration (nmol L−1). Light blue indicates pO2 (Present Atmospheric Level, PAL). Changes in urea concentration are indicated by a red gradient

Our solar system — NASA The Special Issue of Geosciences entitled “Worlds of the Solar System: Geological Evolution and Habitability of Planets and Moons” aims to bring together the latest

This illustration depicts the interior of dwarf planet Ceres, including the transfer of water and gases from the rocky core to a reservoir of salty water as a consequence of

Left panel: Patches of dark and bright materials on Europa observed in a high-resolution image from the Galileo Solid State Imaging (SSI) system (Belton et al., 1992). The image is

Mars craterfill deposits showing varying intensities and topographies (cross sections). Crater locations are shown in Figure 2A. (A) Thin and laterally restricted fill with deposits concentrated in the southwestern region

Radius evolution for a metal-enriched planet (Z=0.1) as computed with our approach (square points) versus the planetsynth models of M¨uller & Helled (2021) (solid curves; note that they employ a

Schematic showing the reset approach applied for the close-in four-planet system. The left graphic shows “exaggerated” orbits of the four planets after the encounter when they are on slightly eccentric,