Tamara Elizabeth Jernigan was born on May 7, 1959, in
Chattanooga, Tennessee, to Mary and Terry Jernigan. She attended
Santa Fe High School in
Santa Fe Springs, California, graduating in 1977. Jernigan attended
Stanford University, where she played varsity volleyball. She earned a B.S. degree in physics in 1981 and an M.S. in
engineering science in 1983. At the
University of California, Berkeley, she received an M.S. in astronomy in 1985. In 1989, she was awarded a Ph.D. in space physics and astronomy from
Rice University. She wrote her doctoral dissertation on "a plasma diagnostic study of two wind-blown shell nebulae: NGC 7635 and NGC 2359", under the supervision of Reginald Dufour. Her research focused on the modeling of "a high-velocity outflows in regions of star formation, gamma-ray bursters, and the radiation produced by interstellar shock waves". ==NASA career==