{"id":36271,"date":"2024-06-02T11:35:08","date_gmt":"2024-06-02T09:35:08","guid":{"rendered":"https:\/\/karmaka.de\/?p=36271"},"modified":"2024-06-02T11:35:09","modified_gmt":"2024-06-02T09:35:09","slug":"impact-disruption-of-bjurbole-porous-chondritic-projectile","status":"publish","type":"post","link":"https:\/\/karmaka.de\/?p=36271","title":{"rendered":"Impact Disruption of Bjurb\u00f6le Porous Chondritic Projectile<span class=\"badge-status\" style=\"background:#787878\">OPEN ACCESS<\/span>&nbsp;"},"content":{"rendered":"\n<p>Tomas Kohout, Maurizio Pajola, Assi-Johanna Soini, Alice Lucchetti, Arto Luttinen, Alexia Duch\u00eane, Naomi Murdoch, Robert Luther, Nancy L. Chabot, Sabina D. Raducan<\/p>\n\n\n\n<p>The Planetary Science Journal, Volume 5, Number 5, Published 2024 May 31<\/p>\n\n\n\n<p><a href=\"https:\/\/iopscience.iop.org\/article\/10.3847\/PSJ\/ad4266\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>LINK (OPEN ACCESS)<\/strong><\/a><br><a href=\"https:\/\/iopscience.iop.org\/article\/10.3847\/PSJ\/ad4266\/pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>PDF (OPEN ACCESS)<\/strong><\/a><\/p>\n\n\n\n<p class=\"justify-text\">&#8220;The \u223c200 m s\u22121 impact of a single 400 kg Bjurb\u00f6le L\/LL ordinary chondrite meteorite onto sea ice resulted in the catastrophic disruption of the projectile. This resulted in a significant fraction of decimeter-sized fragments that exhibit power-law cumulative size and mass distributions. This size range is underrepresented in impact experiments and asteroid boulder studies. The Bjurb\u00f6le projectile fragments share similarities in shape (sphericity and roughness at small and large scales) with asteroid boulders. However, the mean aspect ratio (3D measurement) and apparent aspect ratio (2D measurement) of the Bjurb\u00f6le fragments is 0.83 and 0.77, respectively, indicating that Bjurb\u00f6le fragments are more equidimensional compared to both fragments produced in smaller-scale impact experiments and asteroid boulders. These differences may be attributed either to the fragment source (projectile versus target), to the high porosity and low strength of Bjurb\u00f6le, to the lower impact velocity compared with typical asteroid collision velocities, or potentially to fragment erosion during sea sediment penetration or cleaning.&#8221;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tomas Kohout, Maurizio Pajola, Assi-Johanna Soini, Alice Lucchetti, Arto Luttinen, Alexia Duch\u00eane, Naomi Murdoch, Robert Luther, Nancy L. Chabot, Sabina D. Raducan The Planetary Science Journal, Volume 5, Number 5, Published 2024 May 31 LINK&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[90,7,47],"tags":[1622,2888,4074,1807,1976,1832],"_links":{"self":[{"href":"https:\/\/karmaka.de\/index.php?rest_route=\/wp\/v2\/posts\/36271"}],"collection":[{"href":"https:\/\/karmaka.de\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/karmaka.de\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/karmaka.de\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/karmaka.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=36271"}],"version-history":[{"count":1,"href":"https:\/\/karmaka.de\/index.php?rest_route=\/wp\/v2\/posts\/36271\/revisions"}],"predecessor-version":[{"id":36272,"href":"https:\/\/karmaka.de\/index.php?rest_route=\/wp\/v2\/posts\/36271\/revisions\/36272"}],"wp:attachment":[{"href":"https:\/\/karmaka.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=36271"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/karmaka.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=36271"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/karmaka.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=36271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}