17 incredible feats of engineering

The Hubble Space Telescope

The Hubble Space Telescope is a space telescope launched by NASA in 1990, and is still in operation today. The telescope orbits Earth and has made numerous groundbreaking discoveries in astronomy and astrophysics. The engineering challenges of the Hubble Space Telescope included designing and building the various components, launching the telescope into space, and maintaining and repairing it during its decades-long mission.