Norma Laren's Activity (2)
teacher_1452 added a news bookmark.
When one hears of astronauts conducting repairs on the International Space Station, it usually involves using sophisticated tools. However, such was not the case in the recent f...About 4 years agoteacher_1452 added a news bookmark.
Fifty years ago, on March 18th, 1965, Soviet Cosmonaut Alexei Leonov took the first spacewalk. It lasted just twelve minutes and almost ended in a disaster. That's because the v...About 4 years ago