EntityQ1239832· pop 10· linked from 42 articlesDonald E. BrownleeSign in to saveAmerican astronomerConnectionsUniversity of WashingtonEntityastronomyEntityYouTubeConceptNevadaEntityLas VegasEntityNASAConceptmineralEntityWayback MachineEntitydigital object identifierEntitychemical formulaEntityUniversity of California, BerkeleyEntityUniversity of ChicagoEntityNational Academy of SciencesEntityStardustEntityRare Earth hypothesisEntitylist of minor planets: 3001–4000EntityInternational Mineralogical AssociationEntityAmerican Geophysical UnionEntitysilicideEntityPeter D. WardEntityCategories1943 birthsAmerican astrobiologistsFellows of the American Academy of Arts and SciencesFellows of the American Geophysical UnionLiving peopleMembers of the United States National Academy of SciencesScientists from Las VegasUC Berkeley College of Engineering alumniUniversity of Washington College of Arts and Sciences alumniUniversity of Washington faculty