Georgy Grechko is a cosmonaut who was born on May 25, 1931, in
Grechko became a cosmonaut in 1966. He has spent over 128 days in space on 3
In 1975, Grechko made his first spaceflight aboard Soyuz 17. The crew spent
days performing experiments. In 1977,
Grechko became the first cosmonaut to walk in space to repair a manned vessel.
He had to repair an adaptor on the Salyut 6 space station after the Soyuz 25
spacecraft crashed into it.
Grechko made his third spaceflight aboard Soyuz T-14. The crew visited Salyut
7 for 8 days.
Shop Windows to the Universe Science Store!
Our online store
on science education, classroom activities in The Earth Scientist
specimens, and educational games
You might also be interested in:
What types of instructional experiences help K-8 students learn science with understanding? What do science educators teachers, teacher leaders, science specialists, professional development staff, curriculum designers, school administrators need to know to create and support such experiences?...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 flown over 4500 hours on more than 30 different...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 gliders, helicopters, and jets. Armstrong...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