NASA-Backed Study Suggests Jupiter Shaped Earth's Supply of Life-Essential Elements

A University of Florida astrobiologist, Amy Williams, who worked on both the Curiosity and Perseverance Mars rovers, has published research identifying simple organic carbon molecules on Mars, including some never before detected on the planet. Separately, a NASA-supported study from Rice University, published in Science Advances, challenges the long-held view that life-essential elements (LEEs) — carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur — were delivered to Earth primarily by outer Solar System comets and asteroids during the Late Heavy Bombardment. Using laboratory experiments and geochemical modeling, the Rice team reconstructed phosphorus-nitrogen ratios across the early Solar System and found that Jupiter's gravitational influence redirected the distribution of these elements, leaving inner Solar System planetesimals enriched in phosphorus and nitrogen. Their models suggest Earth acquired these critical elements largely from inner Solar System sources, not outer Solar System chondrites as traditionally assumed. Senior author Rajdeep Dasgupta noted that Jupiter's growth history appears to have been critical in determining the chemical makeup of potentially habitable worlds, and raised the open question of whether a Jupiter-like planet is necessary for Earth-like life-essential element budgets to form elsewhere.