History Detectives Visit NASA Goddard Space Flight Center
Debbie Thomas cutting the sample to be tested during a visit from the PBS's series History Detectives in NASA Goddard Space Flight Center lab. PHOTO CREDIT: NASA/Debbie Mccallum
Debbie Thomas cutting the sample to be tested during a visit from the PBS's series History Detectives in NASA Goddard Space Flight Center lab. PHOTO CREDIT: NASA/Debbie Mccallum