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          A chronology of the Hubble Space Telescope Illustrates the mission's history from conception through its 25 years of ground-breaking observations and discoveries.
          Science Discovery
          Hubble identifies nearby intergalactic clouds
          Hubble identifies nearby intergalactic clouds
          Release date: January 13, 1992

          What were thought to be randomly distributed, nearby primordial clouds of hydrogen may actually be associated with galaxies or clusters of galaxies. Until...

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          HubbleSite press release
          Historical Context
          First extrasolar planet ever found
          First extrasolar planet ever found
          April 21, 1992

          The pulsar planet system, PSR B1257+12, is the first confirmed detection of a planet outside our solar system. The system was discovered by A. Wolszczan and...

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          NASA Extreme Planets
          Historical Context
          First 3-person spacewalk
          May 7-16, 1992

          The first flight of space shuttle Endeavour on STS-49 includes the first EVA (extravehicular activity) involving three astronauts.

          NASA Space Shuttle Endeavour Mission STS-49
          Science Discovery
          Giant disk of cold gas and dust fuels possible black hole at the core of NGC 4261
          Giant disk of cold gas and dust fuels possible black hole at the core of NGC 4261
          Release date: November 19, 1992

          A Hubble Space Telescope image of a giant disk of cold gas and dust fueling a possible black hole at the core of galaxy NGC 4261. Estimated to be 300 light...

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          HubbleSite press release
          Significant Image
          Gas plume near the edge of the Orion Nebula
          Gas plume near the edge of the Orion Nebula
          Release date: December 16, 1992

          A NASA Hubble Space Telescope "true color" mosaic image of a small portion of the Orion Nebula, taken the Wide Field and Planetary Camera.

          OBJECT: Orion...

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          HubbleSite press release
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