30 years ago, astronauts completed the Hubble telescope’s first repair. Here’s how

Thirty years ago, an 11-day space shuttle mission involving seven veteran astronauts performed the first servicing mission to correct the Hubble Space Telescope’s blurred vision. The unprecedented flight involved five spacewalks and would not have been possible without the assistance of the shuttle’s robotic Canadarm. The multi-billion dollar Hubble Space Telescope was a crown jewel … Read more