Tektites from the European collections
Dr. Dean R. Chapman a Ames Research Center scientists studing tektits, holding a simulated tektite created in the Ames arc jet facility (left) and authentic Australian tektite over a map of Australia.
Australian Tektites
Dean Chapman displays tektites from Thailand
(L) Howard Larson (R) Dr Dean Chapman discuss tektite studies during news conference
Vice President Lyndon Johnson (L) discusses tektites with Dr. Dean Chapman, Ames (R) during a tour of NASA Ames Research Center, Moffett Field, Calif.
Astronaut Piers Sellers at NASA's Goddard Space Flight Center in Greenbelt, Md.
