Portrait of Rhea Seddon
Rhea Seddon is an American astronaut who was born on November 8, 1947, in
Before she became an astronaut, Seddon worked as an emergency room doctor
Seddon became an astronaut in 1979. She has spent over 722 hours in
space aboard three spacecraft.
Seddon made her first flight aboard STS 51-D in 1985. This mission had
the first unscheduled spacewalk in Shuttle history. In 1991, Seddon flew
Seddon made her third spaceflight aboard STS-58 in 1993.
The crew performed several medical experiments during both of these missions.
Shop Windows to the Universe Science Store!
Our online store
on science education, ranging from evolution
, classroom research
, and the need for science and math literacy
You might also be interested in:
How did life evolve on Earth? The answer to this question can help us understand our past and prepare for our future. Although evolution provides credible and reliable answers, polls show that many people turn away from science, seeking other explanations with which they are more comfortable....more
Andrew Allen is an American astronaut who was born on August 4, 1955 in Pennsylvania. Before he became an astronauts, Allen was a Navy and Marines pilot. He has logged over 4500 flight hours on more than...more
Jay Apt is an American astronaut who was born on April 28, 1949 in Massachusetts. Before he became an astronaut, Apt was a physicist who worked on the Venus space probe project. Apt joined NASA in 198...more
Neil Armstrong is an American astronaut who was born in Ohio in 1930. Before entering the space program, he was a pilot for the U.S. Navy and Air Force, flying over 200 different kinds of aircraft, such...more
Ellen Baker is an American astronaut who was born on April 27, 1953 in North Carolina. Before she became an astronaut she was a geologist and a medical doctor. Baker joined NASA as a medical officer in...more
Michael Baker is an American astronaut who was born on October 27, 1953 in Tennessee. Before he became an astronaut, Baker was a Navy pilot. He logged over 5000 hours of flight time aboard 50 different...more
John Blaha is an American astronaut who was born on August 26, 1942 in Texas. Before he became an astronaut, Blaha was an Air Force pilot. He has flown over 5500 hours in 33 different types of aircraft....more
Guion Bluford is an American astronaut who was born on November 22, 1942 in Pennsylvania. Before he became an astronaut, Bluford was a pilot for the Air Force. He flew over 4800 hours on several different...more