From: "ZOLENSKY, MICHAEL E. (MIKE) (JSC-SN)" <michael.e.zolensky1@jsc.nasa.gov> To: "'meteorobs@latrade.com'" <meteorobs@latrade.com> Subject: RE: meteorobs-digest V1 #572 Date: Fri, 12 Dec 1997 14:12:03 -0600 X-Mailer: Internet Mail Service (5.5.1939.0) Yes, heating of the meteorite during atmospheric entry only penetrates about 1 mm, because of the brief heat duration and low thermal conductivity of the rock.