Not in any order
A galactic year is 250 million Earth-years. This is the time it takes for our solar system to make one revolution around the Milky Way Galaxy.
Every day, the Hubble telescope transmits enough data to fit 10,000 standard computer disks.
The Hubble telescope is so powerful that it is like pointing a beam of light at a dime that is two hundred miles away.
In only eight minutes, the Space Shuttle can accelerate to a speed of 27,000 kilometres per hour.
When the Galileo Probe entered Jupiter's atmosphere, it was traveling at a speed of 106,000 miles per hour. This is the fastest impact speed ever achieved by a man-made object.