[-] Show simple item record

dc.contributor.authorSpeck, Angela K.eng
dc.contributor.authorBose, M.eng
dc.contributor.authorFloss, C.eng
dc.contributor.authorStadermann, F. J.eng
dc.contributor.authorStroud, R. M.eng
dc.date.issued2010eng
dc.description.abstractWe have found two presolar silica grains in ALH A77307, which exhibit excesses in 17O but are normal in 18O. Silicon-oxide grains probably form during rapid cooling under non-equilibrium conditions in O-rich AGB stars with low Mg/Si ratios.eng
dc.description.sponsorshipThis work was supported by NASA grants NNX07AU8OH, NNX08AI13G and NNXO7AI82G.eng
dc.identifier.citation41st Lunar and Planetary Science Conference, held March 1-5, 2010 in The Woodlands, Texas. LPI Contribution No. 1533, p.1812eng
dc.identifier.urihttp://hdl.handle.net/10355/6516eng
dc.languageEnglisheng
dc.publisherLunar and Planetary Instituteeng
dc.relation.ispartofcollectionUniversity of Missouri--Columbia. College of Arts and Sciences. Department of Physics and Astronomy. Physics and Astronomy publicationseng
dc.source.urihttp://www.lpi.usra.edu/meetings/lpsc2010/pdf/1812.pdfeng
dc.subjectpresolar silicaeng
dc.subjectALH A77307eng
dc.subject.lcshAsymptotic giant branch starseng
dc.subject.lcshAstromineralogyeng
dc.subject.lcshSilica dusteng
dc.titleThe Origin of Presolar Silica Grains in AGB Starseng
dc.typeArticleeng


Files in this item

[PDF]

This item appears in the following Collection(s)

[-] Show simple item record