Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePlanet formation: The core problem.AuthorsHubbard, William B.AbstractFocuses on the efforts of various scientists to determine the level of hydrogen at the planet Jupiter. Measurement of gravity in the area; Factors causing the collapse of the primordial nebular mass; Amount of helium found in the planet.SubjectsSCIENTISTS; HYDROGEN; GRAVITY; HELIUM; JUPITER (Planet)PublicationNature, 2004, Vol 431, Issue 7004, p32ISSN0028-0836Publication typeArticleDOI10.1038/431032b