2. The Hubble Space Telescope was carried into orbit by the space shuttle Discovery in April 1990
3. It is named after the American astronomer Edwin Powell Hubble.
4. The telescope's primary mirror (2.4 m diameter) being hoisted up. Hubble is one of the largest space telescopes every made.
5. Diagram of optical telescope assembly (middle). Shuttle deploying Hubble - shown step by step (around).
6. 1990 Hubble fully deployed in orbit sun shining through.
7. First images from Hubble. April 1990 Hubble has been taking pictures and sending them back to earth for almost 20 years.
8. Galactic Black Hole with Optical Jet October 4, 1990
9. Monitoring changes on Mars December 13, 1990
10. A major storm on Saturn January 17, 1991
11. First true-color photograph of Jupiter from the Wide Field Planetary Camera on NASA's Hubble Space Telescope October 11, 1991
12. Hubble Fellowship Program selected talented young astronauts to study Hubble discoveries. January 1992
13. Astronomers report they have found new evidence that a black hole weighing 3 million times the mass of the Sun exists at the center of the nearby elliptical galaxy M32, based on images obtained with NASA's Hubble Space Telescope April 1992
14. Hubble finds one of the smallest stars in the universe located 25 light-years away in the constellation Hercules. December 24, 1994.
26. Four hundred years ago, sky watchers were startled by the sudden appearance of a "new star" in the western sky, rivaling the brilliance of the nearby planets. October 4, 2004