1993 -Astronauts install two science instruments and several different components during the first servicing mission. The mission proved that servicing could be done successfully in space. 1997 -Second servicing mission. Fun Facts Pointing the Hubble Space Telescope and locking onto distant celestial targets is like holding a laser light steady on a dime that is 400 miles away. If all the events in the history of the universe until now were squeezed into 24 hours, Earth wouldn't form until late afternoon and humans would have existed for only two seconds.
Astronomers believe some twenty thousand billion billion stars exist in the universe.
The Hubble Space Telescope whirls around Earth at a speed of 5 miles per second. Each day, the Hubble Space Telescope collects enough data to fill an encyclopedia. Images and data collected by the telescope travel 90,000 miles over satellite and ground links before they reach the Space Telescope Science Institute in Baltimore, Maryland. Engineers designed Hubble with servicing in mind. The telescope is equipped with 31 foot restraints and 225 ft. of handrails.