Presenter Full Name
:
Ms. Helen V. Michel
Institution
:
Lawrence Berkeley Laboratory, University of California
Year & Semester
:
1985 Fall
Presentation Date
:
September 16, 1985
Ms. Helen V. Michel, Staff Scientist at Lawrence Berkeley Laboratory, University of California will present a theory contending that the dinosaurs as well as most other life forms of the cretaceous period became extinct due to the impact of a large asteroid. The periodic nature of mass extinctions and comet impacts will also be discussed.