2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/175810We give an overview of our current understanding of the structure of gas giant planets, from Jupiter and Saturn to extrasolar giant planets. We focus on addressing what high-pressure laboratory experiments on hydrogen and helium can help to elucidate about the structure of these planets.Invited contribution to proceedings of High Energy Density Laboratory Astrophysics, 6. Accepted to Astrophysics & Space Science. 12 pagesAstrophysicsMaterials ScienceThe Structure of Jupiter, Saturn, and Exoplanets: Key Questions for High-Pressure Experimentstext