Evidence for Impact Generated Mass Extinctions. The ... Impact Event at the 65 myr old Cretaceous/Tertiary Boundary. Some Consequences of the KT Impact ...
Title: PowerPoint Presentation Last modified by: magain Created Date: 1/1/1601 12:00:00 AM Document presentation format: Affichage l' cran Other titles
Searching ofr life on Mars was the major objective of the Viking Landers, which ... The biggest debate regarding life on Mars came in 1996 when possible fossils ...
Boundary in the rock record separating the Cretaceous and Tertiary Periods ... Extraterrestrial cause for the Cretaceous/Tertiary extinction, Science, 208, ...