An element is a chemical substance made up of a particular kind of atom and hence cannot be broken down or transformed by a chemical reaction into a different element, though it can be transmuted into another element through a nuclear reaction.
Almost 40 years separate Shirley Ann Jackson's achievement, as the first African-American woman to earn a Ph.D. in theoretical high energy physics at Massachusetts Institute of Technology, and Jedidah Isler, the first African-American woman to receive a Ph.D. in Astrophysics from Yale.
NO matter what the answer, Dr. Mae. Jemison did big work in space. So I present you Dr. Mae Jemison: Dr. Mae C. Jemison launched into orbit in the space. shuttle Endeavour September 12, 1992. Jemison is the. first black woman to go into space and the city of. Chicagoâs first astronaut in US. history. Mae attented Standford University and graduated. with a Bachelor of Science Degree in Chemical Engineering.