Mars Exploration Habitability Mars Research Asteroids Europa Mars Moons of Jupiter Small Bodies Star-Planet Interactions Mars Studies Asteroid Characteristics Life on Other Planets Goldilocks Zone Asteroid Composition Earth-Moon System Planetary Environments Meteorites Lunar Studies Red Dwarf Stars Orbital Dynamics Solar System Substellar Objects Habitability Zones Exoplanets Planetary Systems Humanity's Future Planetesimals Celestial Bodies Solar System Formation Sample Collection Mars Colonization Planetary Formation Enceladus Life on Mars Titan Earth's Companions
Laboratory recreations of iron‑meteorite cores and geochemical accretion models show Jupiter’s growth blocked cross‑disk transport and produced opposing P/N gradients that favored inner‑system sources for Earth.