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          Banner Timeline
          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
          Superclusters are used for gravitational lensing observations
          Superclusters are used for gravitational lensing observations
          Release date: January 7, 2003

          Hubble peers through the center of one of the most massive galaxy clusters known, called Abell 1689, shedding light on galaxy evolution and dark matter in...

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          HubbleSite press release
          Historical Context
          Columbia disaster
          Columbia disaster
          February 1, 2003

          Space shuttle Columbia disintegrates on atmospheric reentry, killing the seven-person crew and grounding the shuttle program.

          IMAGE: (From left to right)...

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          Remembering Columbia STS-107
          Historical Context
          First detailed "baby picture" of the universe
          First detailed "baby picture" of the universe
          February 11, 2003

          The Wilkinson Microwave Anisotropy Probe (WMAP) captures the first all-sky high-resolution cosmic microwave background radiation map of the universe. WMAP is...

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          NASA's WMAP press release
          Science Discovery
          V838 Monocerotis
          V838 Monocerotis
          Release date: March 26, 2003

          In January 2002, a dull star in an obscure constellation suddenly became 600,000 times more luminous than our Sun, temporarily making it the brightest star...

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          HubbleSite press release
          Significant Image
          Turbulent gases in the Swan Nebula
          Turbulent gases in the Swan Nebula
          Release date: April 24, 2003

          Hubble captures a small region within M17, a hotbed of star formation about 5,500 light-years away in the constellation Sagittarius. The wave-like patterns...

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          HubbleSite press release
          Science Discovery
          Hubble finds the oldest known exoplanet
          Hubble finds the oldest known exoplanet
          Release date: July 10, 2003

          Until Hubble’s measurement, astronomers had debated if the ~ 13-billion-year-old object in the core of globular star cluster M4 was a planet or a brown...

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          HubbleSite press release
          Historical Context
          Launch of the Galaxy Evolution Explorer
          Launch of the Galaxy Evolution Explorer
          April 28, 2003

          A Pegasus rocket launched the Galaxy Evolution Explorer (GALEX) into orbit on a mission to observe galaxies in ultraviolet light across 10 billion years of...

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          NASA science missions: GALEX
          Historical Context
          Launch of the Spitzer Space Telescope
          Launch of the Spitzer Space Telescope
          August 25, 2003

          The Spitzer Space Telescope was launched into space by a Delta rocket as the final mission in NASA's Great Observatories Program. The telescope obtains...

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          NASA Spitzer Space Telescope
          Significant Image
          The Sombrero Galaxy
          The Sombrero Galaxy
          Release date: October 2, 2003

          The Sombrero, oriented nearly edge-on to us, reveals that the disks of spiral galaxies are incredibly thin. The disk displays dark dust lanes, where many...

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          HubbleSite press release
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