Meet the Astronauts
Each of Hubble’s 32 astronauts have played an integral role in the telescope’s long-lasting mission. Without their unique skill sets and bravery, Hubble would not have been able to continue its stunning journey of observing the cosmos. Click on any of the astronauts’ biographies below to learn about their backgrounds, experiences, and accomplishments.
Quick Facts
Thirty-two astronauts flew across six missions to launch, repair, and upgrade Hubble.
Astronaut John Grunsfeld flew the most missions to Hubble ― three ― and conducted the most spacewalks ― eight.
Astronauts represented three countries during Hubble missions: France, Switzerland, and the United States.
Astronauts conducted Hubble spacewalks on 23 separate days.
Astronauts spent a total of 171 hours and 3 minutes in the vacuum of space on Hubble spacewalks.
The longest spacewalk to repair Hubble was 8 hours and 15 minutes during Servicing Mission 3A.
Seventeen astronauts have taken spacewalks during Hubble missions.
Hubble Astronauts
Trivia
Hubble Astronaut Fun Facts
Did you know one astronaut flew in the movie “Top Gun”? Test your skills and learn some amazing info about our astronauts!
Explore Trivia about Hubble Astronaut Fun Facts
