Original: Sally Kristen Ride ( born May 26 , 1951 ) is an American physicist and a former NASA astronaut who , in 1983 , became the first American woman and then-youngest American to enter space .
Simplified: Sally Kristen Ride ( born May 26 1951 in Los Angeles , California ) is an American former astronaut and astrophysicist who in 1983 became the first American woman to reach outer space .