Great Observatories program
Videos
NASA's series of Great Observatories satellites are four large, powerful space-based astronomical telescopes launched between 1990 and 2003. They were built with different technology to examine specif
Four Great Observatories
Hubble Space Telescope
Compton Gamma Ray Observatory
Chandra X-ray Observatory
Hubble Space Telescope
Videos
The Hubble Space Telescope is a space telescope that was launched into low Earth orbit in 1990 and remains in operation. It was not the first space telescope, but it is one of the largest and most ver
Great Observatories program
…examine specific wavelength/energy regions of the electromagnetic spectrum: gamma rays, X-rays, visible and ultraviolet light, and infrared light. The Hubble Space Telescope (HST) primarily observes visible light and near-ultraviolet. It was launched in 1990 aboard the Space Shuttle Discovery during STS-31, but its main…
The Hubble Space Telescope during STS-125
Lyman Spitzer played a major role in the birth of the Hubble Space Telescope project.
Nancy Grace Roman with a model of the Large Space Telescope that was eventually developed as the Hubble Space Telescope. While listed as a 1966 photo, this design was not the standard until the mid-1970s.
American astronomer Edwin P. Hubble (pictured in 1931), for whom the telescope is named.